20917478400

素因数分解:

$2^{10}\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 1056

約数和(自身を含む): 88356511488

約数和(自身を除く): 67439033088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 32, 35, 39, 40, 41, 42, 48, 50, 52, 56, 60, 64, 65, 70, 73, 75, 78, 80, 82, 84, 91, 96, 100, 104, 105, 112, 120, 123, 128, 130, 140, 146, 150, 156, 160, 164, 168, 175, 182, 192, 195, 200, 205, 208, 210, 219, 224, 240, 246, 256, 260, 273, 280, 287, 292, 300, 312, 320, 325, 328, 336, 350, 364, 365, 384, 390, 400, 410, 416, 420, 438, 448, 455, 480, 492, 511, 512, 520, 525, 533, 546, 560, 574, 584, 600, 615, 624, 640, 650, 656, 672, 700, 728, 730, 768, 780, 800, 820, 832, 840, 861, 876, 896, 910, 949, 960, 975, 984, 1022, 1024, 1025, 1040, 1050, 1066, 1092, 1095, 1120, 1148, 1168, 1200, 1230, 1248, 1280, 1300, 1312, 1344, 1365, 1400, 1435, 1456, 1460, 1533, 1536, 1560, 1599, 1600, 1640, 1664, 1680, 1722, 1752, 1792, 1820, 1825, 1898, 1920, 1950, 1968, 2044, 2050, 2080, 2100, 2132, 2184, 2190, 2240, 2275, 2296, 2336, 2400, 2460, 2496, 2555, 2560, 2600, 2624, 2665, 2688, 2730, 2800, 2847, 2870, 2912, 2920, 2993, 3066, 3072, 3075, 3120, 3198, 3200, 3280, 3328, 3360, 3444, 3504, 3584, 3640, 3650, 3731, 3796, 3840, 3900, 3936, 4088, 4100, 4160, 4200, 4264, 4305, 4368, 4380, 4480, 4550, 4592, 4672, 4745, 4800, 4920, 4992, 5110, 5120, 5200, 5248, 5330, 5376, 5460, 5475, 5600, 5694, 5740, 5824, 5840, 5986, 6132, 6150, 6240, 6396, 6400, 6560, 6643, 6656, 6720, 6825, 6888, 7008, 7168, 7175, 7280, 7300, 7462, 7592, 7665, 7680, 7800, 7872, 7995, 8176, 8200, 8320, 8400, 8528, 8610, 8736, 8760, 8960, 8979, 9100, 9184, 9344, 9490, 9600, 9840, 9984, 10220, 10400, 10496, 10660, 10752, 10920, 10950, 11193, 11200, 11388, 11480, 11648, 11680, 11972, 12264, 12300, 12480, 12775, 12792, 12800, 13120, 13286, 13312, 13325, 13440, 13650, 13776, 14016, 14235, 14350, 14560, 14600, 14924, 14965, 15184, 15330, 15360, 15600, 15744, 15990, 16352, 16400, 16640, 16800, 17056, 17220, 17472, 17520, 17920, 17958, 18200, 18368, 18655, 18688, 18980, 19200, 19680, 19929, 19968, 20440, 20800, 20951, 20992, 21320, 21504, 21525, 21840, 21900, 22386, 22400, 22776, 22960, 23296, 23360, 23725, 23944, 24528, 24600, 24960, 25550, 25584, 25600, 26240, 26572, 26650, 26880, 27300, 27552, 28032, 28470, 28700, 29120, 29200, 29848, 29930, 30368, 30660, 31200, 31488, 31980, 32704, 32800, 33215, 33280, 33600, 34112, 34440, 34944, 35040, 35840, 35916, 36400, 36736, 37310, 37376, 37960, 38325, 38400, 38909, 39360, 39858, 39936, 39975, 40880, 41600, 41902, 41984, 42640, 43050, 43680, 43800, 44772, 44800, 44895, 45552, 45920, 46592, 46720, 47450, 47888, 49056, 49200, 49920, 51100, 51168, 52480, 53144, 53300, 53760, 54600, 55104, 55965, 56064, 56940, 57400, 58240, 58400, 59696, 59860, 60736, 61320, 62400, 62853, 62976, 63960, 65408, 65600, 66430, 66560, 67200, 68224, 68880, 69888, 70080, 71175, 71832, 72800, 73472, 74620, 74752, 74825, 75920, 76650, 76800, 77818, 78720, 79716, 79950, 81760, 83200, 83804, 85280, 86100, 87360, 87600, 89544, 89600, 89790, 91104, 91840, 93184, 93275, 93440, 94900, 95776, 98112, 98400, 99645, 99840, 102200, 102336, 104755, 104960, 106288, 106600, 107520, 109200, 110208, 111930, 112128, 113880, 114800, 116480, 116727, 116800, 119392, 119720, 121472, 122640, 124800, 125706, 125952, 127920, 130816, 131200, 132860, 134400, 136448, 137760, 139776, 140160, 142350, 143664, 145600, 146944, 149240, 149650, 151840, 153300, 155636, 157440, 159432, 159900, 163520, 166075, 166400, 167608, 170560, 172200, 174720, 175200, 179088, 179200, 179580, 182208, 183680, 186550, 186880, 189800, 191552, 194545, 196224, 196800, 199290, 199680, 204400, 204672, 209510, 209920, 212576, 213200, 218400, 220416, 223860, 224256, 224475, 227760, 229600, 232960, 233454, 233600, 238784, 239440, 242944, 245280, 249600, 251412, 255840, 261632, 262400, 265720, 268800, 272363, 272896, 275520, 279552, 279825, 280320, 284700, 287328, 291200, 293888, 298480, 299300, 303680, 306600, 311272, 314265, 314880, 318864, 319800, 327040, 332150, 332800, 335216, 341120, 344400, 349440, 350400, 358176, 359160, 364416, 367360, 373100, 373760, 379600, 383104, 389090, 392448, 393600, 398580, 408800, 409344, 419020, 425152, 426400, 436800, 440832, 447720, 448950, 455520, 459200, 465920, 466908, 467200, 477568, 478880, 485888, 490560, 498225, 499200, 502824, 511680, 523264, 523775, 524800, 531440, 537600, 544726, 545792, 551040, 559650, 560640, 569400, 574656, 582400, 583635, 596960, 598600, 607360, 613200, 622544, 628530, 629760, 637728, 639600, 654080, 664300, 670432, 682240, 688800, 698880, 700800, 716352, 718320, 728832, 734720, 746200, 759200, 766208, 778180, 784896, 787200, 797160, 817089, 817600, 818688, 838040, 850304, 852800, 873600, 881664, 895440, 897900, 911040, 918400, 933816, 934400, 955136, 957760, 971776, 972725, 981120, 996450, 998400, 1005648, 1023360, 1047550, 1049600, 1062880, 1089452, 1102080, 1119300, 1121280, 1138800, 1149312, 1164800, 1167270, 1193920, 1197200, 1214720, 1226400, 1245088, 1257060, 1275456, 1279200, 1308160, 1328600, 1340864, 1361815, 1364480, 1377600, 1397760, 1401600, 1432704, 1436640, 1457664, 1469440, 1492400, 1518400, 1532416, 1556360, 1569792, 1571325, 1574400, 1594320, 1634178, 1635200, 1637376, 1676080, 1700608, 1705600, 1747200, 1790880, 1795800, 1822080, 1836800, 1867632, 1868800, 1910272, 1915520, 1945450, 1962240, 1992900, 2011296, 2046720, 2095100, 2125760, 2178904, 2204160, 2238600, 2277600, 2298624, 2329600, 2334540, 2387840, 2394400, 2429440, 2452800, 2490176, 2514120, 2550912, 2558400, 2616320, 2657200, 2681728, 2723630, 2728960, 2755200, 2803200, 2865408, 2873280, 2915328, 2918175, 2984800, 3036800, 3064832, 3112720, 3142650, 3148800, 3188640, 3268356, 3270400, 3352160, 3401216, 3411200, 3494400, 3581760, 3591600, 3644160, 3673600, 3735264, 3820544, 3831040, 3890900, 3924480, 3985800, 4022592, 4085445, 4093440, 4190200, 4251520, 4357808, 4408320, 4477200, 4555200, 4597248, 4669080, 4775680, 4788800, 4858880, 4905600, 4980352, 5028240, 5101824, 5116800, 5314400, 5363456, 5447260, 5510400, 5606400, 5730816, 5746560, 5836350, 5969600, 6073600, 6225440, 6285300, 6377280, 6536712, 6540800, 6704320, 6802432, 6809075, 6822400, 6988800, 7163520, 7183200, 7288320, 7347200, 7470528, 7662080, 7781800, 7848960, 7971600, 8045184, 8170890, 8186880, 8380400, 8503040, 8715616, 8954400, 9110400, 9194496, 9338160, 9551360, 9577600, 9811200, 9960704, 10056480, 10203648, 10233600, 10628800, 10726912, 10894520, 11020800, 11461632, 11493120, 11672700, 11939200, 12147200, 12450880, 12570600, 12754560, 13073424, 13081600, 13408640, 13618150, 13644800, 14327040, 14366400, 14576640, 14941056, 15324160, 15563600, 15943200, 16090368, 16341780, 16760800, 17006080, 17431232, 17908800, 18220800, 18676320, 19102720, 19155200, 19622400, 19921408, 20112960, 20407296, 20427225, 20467200, 21257600, 21453824, 21789040, 22041600, 22986240, 23345400, 23878400, 24294400, 24901760, 25141200, 25509120, 26146848, 26817280, 27236300, 28654080, 28732800, 29882112, 31127200, 31886400, 32180736, 32683560, 33521600, 34012160, 34862464, 35817600, 36441600, 37352640, 38310400, 39244800, 39842816, 40225920, 40854450, 40934400, 42515200, 43578080, 45972480, 46690800, 47756800, 49803520, 50282400, 51018240, 52293696, 53634560, 54472600, 57308160, 57465600, 59764224, 62254400, 63772800, 64361472, 65367120, 67043200, 69724928, 71635200, 72883200, 74705280, 76620800, 80451840, 81708900, 85030400, 87156160, 93381600, 95513600, 99607040, 100564800, 102036480, 104587392, 107269120, 108945200, 114931200, 119528448, 124508800, 127545600, 130734240, 134086400, 139449856, 143270400, 149410560, 160903680, 163417800, 170060800, 174312320, 186763200, 199214080, 201129600, 209174784, 217890400, 229862400, 249017600, 255091200, 261468480, 268172800, 278899712, 286540800, 298821120, 321807360, 326835600, 348624640, 373526400, 402259200, 418349568, 435780800, 498035200, 510182400, 522936960, 536345600, 597642240, 653671200, 697249280, 747052800, 804518400, 836699136, 871561600, 996070400, 1045873920, 1307342400, 1394498560, 1494105600, 1609036800, 1743123200, 2091747840, 2614684800, 2988211200, 3486246400, 4183495680, 5229369600, 6972492800, 10458739200, 20917478400]

約数ペア:

[(1, 20917478400), (2, 10458739200), (3, 6972492800), (4, 5229369600), (5, 4183495680), (6, 3486246400), (7, 2988211200), (8, 2614684800), (10, 2091747840), (12, 1743123200), (13, 1609036800), (14, 1494105600), (15, 1394498560), (16, 1307342400), (20, 1045873920), (21, 996070400), (24, 871561600), (25, 836699136), (26, 804518400), (28, 747052800), (30, 697249280), (32, 653671200), (35, 597642240), (39, 536345600), (40, 522936960), (41, 510182400), (42, 498035200), (48, 435780800), (50, 418349568), (52, 402259200), (56, 373526400), (60, 348624640), (64, 326835600), (65, 321807360), (70, 298821120), (73, 286540800), (75, 278899712), (78, 268172800), (80, 261468480), (82, 255091200), (84, 249017600), (91, 229862400), (96, 217890400), (100, 209174784), (104, 201129600), (105, 199214080), (112, 186763200), (120, 174312320), (123, 170060800), (128, 163417800), (130, 160903680), (140, 149410560), (146, 143270400), (150, 139449856), (156, 134086400), (160, 130734240), (164, 127545600), (168, 124508800), (175, 119528448), (182, 114931200), (192, 108945200), (195, 107269120), (200, 104587392), (205, 102036480), (208, 100564800), (210, 99607040), (219, 95513600), (224, 93381600), (240, 87156160), (246, 85030400), (256, 81708900), (260, 80451840), (273, 76620800), (280, 74705280), (287, 72883200), (292, 71635200), (300, 69724928), (312, 67043200), (320, 65367120), (325, 64361472), (328, 63772800), (336, 62254400), (350, 59764224), (364, 57465600), (365, 57308160), (384, 54472600), (390, 53634560), (400, 52293696), (410, 51018240), (416, 50282400), (420, 49803520), (438, 47756800), (448, 46690800), (455, 45972480), (480, 43578080), (492, 42515200), (511, 40934400), (512, 40854450), (520, 40225920), (525, 39842816), (533, 39244800), (546, 38310400), (560, 37352640), (574, 36441600), (584, 35817600), (600, 34862464), (615, 34012160), (624, 33521600), (640, 32683560), (650, 32180736), (656, 31886400), (672, 31127200), (700, 29882112), (728, 28732800), (730, 28654080), (768, 27236300), (780, 26817280), (800, 26146848), (820, 25509120), (832, 25141200), (840, 24901760), (861, 24294400), (876, 23878400), (896, 23345400), (910, 22986240), (949, 22041600), (960, 21789040), (975, 21453824), (984, 21257600), (1022, 20467200), (1024, 20427225), (1025, 20407296), (1040, 20112960), (1050, 19921408), (1066, 19622400), (1092, 19155200), (1095, 19102720), (1120, 18676320), (1148, 18220800), (1168, 17908800), (1200, 17431232), (1230, 17006080), (1248, 16760800), (1280, 16341780), (1300, 16090368), (1312, 15943200), (1344, 15563600), (1365, 15324160), (1400, 14941056), (1435, 14576640), (1456, 14366400), (1460, 14327040), (1533, 13644800), (1536, 13618150), (1560, 13408640), (1599, 13081600), (1600, 13073424), (1640, 12754560), (1664, 12570600), (1680, 12450880), (1722, 12147200), (1752, 11939200), (1792, 11672700), (1820, 11493120), (1825, 11461632), (1898, 11020800), (1920, 10894520), (1950, 10726912), (1968, 10628800), (2044, 10233600), (2050, 10203648), (2080, 10056480), (2100, 9960704), (2132, 9811200), (2184, 9577600), (2190, 9551360), (2240, 9338160), (2275, 9194496), (2296, 9110400), (2336, 8954400), (2400, 8715616), (2460, 8503040), (2496, 8380400), (2555, 8186880), (2560, 8170890), (2600, 8045184), (2624, 7971600), (2665, 7848960), (2688, 7781800), (2730, 7662080), (2800, 7470528), (2847, 7347200), (2870, 7288320), (2912, 7183200), (2920, 7163520), (2993, 6988800), (3066, 6822400), (3072, 6809075), (3075, 6802432), (3120, 6704320), (3198, 6540800), (3200, 6536712), (3280, 6377280), (3328, 6285300), (3360, 6225440), (3444, 6073600), (3504, 5969600), (3584, 5836350), (3640, 5746560), (3650, 5730816), (3731, 5606400), (3796, 5510400), (3840, 5447260), (3900, 5363456), (3936, 5314400), (4088, 5116800), (4100, 5101824), (4160, 5028240), (4200, 4980352), (4264, 4905600), (4305, 4858880), (4368, 4788800), (4380, 4775680), (4480, 4669080), (4550, 4597248), (4592, 4555200), (4672, 4477200), (4745, 4408320), (4800, 4357808), (4920, 4251520), (4992, 4190200), (5110, 4093440), (5120, 4085445), (5200, 4022592), (5248, 3985800), (5330, 3924480), (5376, 3890900), (5460, 3831040), (5475, 3820544), (5600, 3735264), (5694, 3673600), (5740, 3644160), (5824, 3591600), (5840, 3581760), (5986, 3494400), (6132, 3411200), (6150, 3401216), (6240, 3352160), (6396, 3270400), (6400, 3268356), (6560, 3188640), (6643, 3148800), (6656, 3142650), (6720, 3112720), (6825, 3064832), (6888, 3036800), (7008, 2984800), (7168, 2918175), (7175, 2915328), (7280, 2873280), (7300, 2865408), (7462, 2803200), (7592, 2755200), (7665, 2728960), (7680, 2723630), (7800, 2681728), (7872, 2657200), (7995, 2616320), (8176, 2558400), (8200, 2550912), (8320, 2514120), (8400, 2490176), (8528, 2452800), (8610, 2429440), (8736, 2394400), (8760, 2387840), (8960, 2334540), (8979, 2329600), (9100, 2298624), (9184, 2277600), (9344, 2238600), (9490, 2204160), (9600, 2178904), (9840, 2125760), (9984, 2095100), (10220, 2046720), (10400, 2011296), (10496, 1992900), (10660, 1962240), (10752, 1945450), (10920, 1915520), (10950, 1910272), (11193, 1868800), (11200, 1867632), (11388, 1836800), (11480, 1822080), (11648, 1795800), (11680, 1790880), (11972, 1747200), (12264, 1705600), (12300, 1700608), (12480, 1676080), (12775, 1637376), (12792, 1635200), (12800, 1634178), (13120, 1594320), (13286, 1574400), (13312, 1571325), (13325, 1569792), (13440, 1556360), (13650, 1532416), (13776, 1518400), (14016, 1492400), (14235, 1469440), (14350, 1457664), (14560, 1436640), (14600, 1432704), (14924, 1401600), (14965, 1397760), (15184, 1377600), (15330, 1364480), (15360, 1361815), (15600, 1340864), (15744, 1328600), (15990, 1308160), (16352, 1279200), (16400, 1275456), (16640, 1257060), (16800, 1245088), (17056, 1226400), (17220, 1214720), (17472, 1197200), (17520, 1193920), (17920, 1167270), (17958, 1164800), (18200, 1149312), (18368, 1138800), (18655, 1121280), (18688, 1119300), (18980, 1102080), (19200, 1089452), (19680, 1062880), (19929, 1049600), (19968, 1047550), (20440, 1023360), (20800, 1005648), (20951, 998400), (20992, 996450), (21320, 981120), (21504, 972725), (21525, 971776), (21840, 957760), (21900, 955136), (22386, 934400), (22400, 933816), (22776, 918400), (22960, 911040), (23296, 897900), (23360, 895440), (23725, 881664), (23944, 873600), (24528, 852800), (24600, 850304), (24960, 838040), (25550, 818688), (25584, 817600), (25600, 817089), (26240, 797160), (26572, 787200), (26650, 784896), (26880, 778180), (27300, 766208), (27552, 759200), (28032, 746200), (28470, 734720), (28700, 728832), (29120, 718320), (29200, 716352), (29848, 700800), (29930, 698880), (30368, 688800), (30660, 682240), (31200, 670432), (31488, 664300), (31980, 654080), (32704, 639600), (32800, 637728), (33215, 629760), (33280, 628530), (33600, 622544), (34112, 613200), (34440, 607360), (34944, 598600), (35040, 596960), (35840, 583635), (35916, 582400), (36400, 574656), (36736, 569400), (37310, 560640), (37376, 559650), (37960, 551040), (38325, 545792), (38400, 544726), (38909, 537600), (39360, 531440), (39858, 524800), (39936, 523775), (39975, 523264), (40880, 511680), (41600, 502824), (41902, 499200), (41984, 498225), (42640, 490560), (43050, 485888), (43680, 478880), (43800, 477568), (44772, 467200), (44800, 466908), (44895, 465920), (45552, 459200), (45920, 455520), (46592, 448950), (46720, 447720), (47450, 440832), (47888, 436800), (49056, 426400), (49200, 425152), (49920, 419020), (51100, 409344), (51168, 408800), (52480, 398580), (53144, 393600), (53300, 392448), (53760, 389090), (54600, 383104), (55104, 379600), (55965, 373760), (56064, 373100), (56940, 367360), (57400, 364416), (58240, 359160), (58400, 358176), (59696, 350400), (59860, 349440), (60736, 344400), (61320, 341120), (62400, 335216), (62853, 332800), (62976, 332150), (63960, 327040), (65408, 319800), (65600, 318864), (66430, 314880), (66560, 314265), (67200, 311272), (68224, 306600), (68880, 303680), (69888, 299300), (70080, 298480), (71175, 293888), (71832, 291200), (72800, 287328), (73472, 284700), (74620, 280320), (74752, 279825), (74825, 279552), (75920, 275520), (76650, 272896), (76800, 272363), (77818, 268800), (78720, 265720), (79716, 262400), (79950, 261632), (81760, 255840), (83200, 251412), (83804, 249600), (85280, 245280), (86100, 242944), (87360, 239440), (87600, 238784), (89544, 233600), (89600, 233454), (89790, 232960), (91104, 229600), (91840, 227760), (93184, 224475), (93275, 224256), (93440, 223860), (94900, 220416), (95776, 218400), (98112, 213200), (98400, 212576), (99645, 209920), (99840, 209510), (102200, 204672), (102336, 204400), (104755, 199680), (104960, 199290), (106288, 196800), (106600, 196224), (107520, 194545), (109200, 191552), (110208, 189800), (111930, 186880), (112128, 186550), (113880, 183680), (114800, 182208), (116480, 179580), (116727, 179200), (116800, 179088), (119392, 175200), (119720, 174720), (121472, 172200), (122640, 170560), (124800, 167608), (125706, 166400), (125952, 166075), (127920, 163520), (130816, 159900), (131200, 159432), (132860, 157440), (134400, 155636), (136448, 153300), (137760, 151840), (139776, 149650), (140160, 149240), (142350, 146944), (143664, 145600)]