20728300320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{499}}^1$

素因数の和:857

約数の個数: 576

約数和(自身を含む): 87508512000

約数和(自身を除く): 66780211680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 317, 336, 360, 364, 390, 416, 420, 455, 468, 480, 499, 504, 520, 546, 560, 585, 624, 630, 634, 672, 720, 728, 780, 819, 840, 910, 936, 951, 998, 1008, 1040, 1092, 1120, 1170, 1248, 1260, 1268, 1365, 1440, 1456, 1497, 1560, 1585, 1638, 1680, 1820, 1872, 1902, 1996, 2016, 2080, 2184, 2219, 2340, 2495, 2520, 2536, 2730, 2853, 2912, 2994, 3120, 3170, 3276, 3360, 3493, 3640, 3744, 3804, 3992, 4095, 4121, 4368, 4438, 4491, 4680, 4755, 4990, 5040, 5072, 5460, 5706, 5988, 6240, 6340, 6487, 6552, 6657, 6986, 7280, 7485, 7608, 7984, 8190, 8242, 8736, 8876, 8982, 9360, 9510, 9980, 10080, 10144, 10479, 10920, 11095, 11412, 11976, 12363, 12680, 12974, 13104, 13314, 13972, 14265, 14560, 14970, 15216, 15968, 16380, 16484, 17465, 17752, 17964, 18720, 19020, 19461, 19960, 19971, 20605, 20958, 21840, 22190, 22455, 22824, 23952, 24726, 25360, 25948, 26208, 26628, 27944, 28530, 28847, 29940, 30432, 31437, 32435, 32760, 32968, 33285, 34930, 35504, 35928, 37089, 38040, 38922, 39920, 39942, 41210, 41916, 43680, 44380, 44910, 45409, 45648, 47904, 49452, 50720, 51896, 52395, 53256, 55888, 57060, 57694, 58383, 59880, 61815, 62874, 64870, 65520, 65936, 66570, 69860, 71008, 71856, 74178, 76080, 77844, 79840, 79884, 82420, 83832, 86541, 88760, 89820, 90818, 91296, 97305, 98904, 99855, 103792, 104790, 106512, 111776, 114120, 115388, 116766, 119760, 123630, 125748, 129740, 131040, 131872, 133140, 136227, 139720, 143712, 144235, 148356, 152160, 155688, 157185, 158183, 159768, 164840, 167664, 173082, 177520, 179640, 181636, 185445, 194610, 197808, 199710, 207584, 209580, 213024, 227045, 228240, 230776, 233532, 239520, 247260, 251496, 259480, 259623, 266280, 272454, 279440, 288470, 291915, 296712, 311376, 314370, 316366, 319536, 329680, 335328, 346164, 355040, 359280, 363272, 370890, 389220, 395616, 399420, 408681, 419160, 432705, 454090, 456480, 461552, 467064, 474549, 494520, 502992, 518960, 519246, 532560, 544908, 558880, 576940, 583830, 593424, 622752, 628740, 632732, 639072, 659360, 681135, 692328, 718560, 726544, 741780, 778440, 790915, 798840, 817362, 838320, 865410, 908180, 923104, 934128, 949098, 989040, 1005984, 1037920, 1038492, 1065120, 1089816, 1107281, 1153880, 1167660, 1186848, 1257480, 1265464, 1298115, 1362270, 1384656, 1423647, 1453088, 1483560, 1556880, 1581830, 1597680, 1634724, 1676640, 1730820, 1816360, 1868256, 1898196, 1978080, 2043405, 2056379, 2076984, 2179632, 2214562, 2307760, 2335320, 2372745, 2514960, 2530928, 2596230, 2724540, 2769312, 2847294, 2967120, 3113760, 3163660, 3195360, 3269448, 3321843, 3461640, 3632720, 3796392, 4086810, 4112758, 4153968, 4359264, 4429124, 4615520, 4670640, 4745490, 5029920, 5061856, 5192460, 5449080, 5536405, 5694588, 5934240, 6169137, 6327320, 6538896, 6643686, 6923280, 7118235, 7265440, 7592784, 8173620, 8225516, 8307936, 8858248, 9341280, 9490980, 9965529, 10281895, 10384920, 10898160, 11072810, 11389176, 12338274, 12654640, 13077792, 13287372, 13846560, 14236470, 14394653, 15185568, 16347240, 16451032, 16609215, 17716496, 18507411, 18981960, 19931058, 20563790, 20769840, 21796320, 22145620, 22778352, 24676548, 25309280, 26574744, 28472940, 28789306, 30845685, 32694480, 32902064, 33218430, 35432992, 37014822, 37963920, 39862116, 41127580, 41539680, 43183959, 44291240, 45556704, 49353096, 49827645, 53149488, 56945880, 57578612, 61691370, 65388960, 65804128, 66436860, 71973265, 74029644, 75927840, 79724232, 82255160, 86367918, 88582480, 92537055, 98706192, 99655290, 106298976, 113891760, 115157224, 123382740, 129551877, 132873720, 143946530, 148059288, 159448464, 164510320, 172735836, 177164960, 185074110, 197412384, 199310580, 215919795, 227783520, 230314448, 246765480, 259103754, 265747440, 287893060, 296118576, 318896928, 329020640, 345471672, 370148220, 398621160, 431839590, 460628896, 493530960, 518207508, 531494880, 575786120, 592237152, 647759385, 690943344, 740296440, 797242320, 863679180, 987061920, 1036415016, 1151572240, 1295518770, 1381886688, 1480592880, 1594484640, 1727358360, 2072830032, 2303144480, 2591037540, 2961185760, 3454716720, 4145660064, 5182075080, 6909433440, 10364150160, 20728300320]

約数ペア:

[(1, 20728300320), (2, 10364150160), (3, 6909433440), (4, 5182075080), (5, 4145660064), (6, 3454716720), (7, 2961185760), (8, 2591037540), (9, 2303144480), (10, 2072830032), (12, 1727358360), (13, 1594484640), (14, 1480592880), (15, 1381886688), (16, 1295518770), (18, 1151572240), (20, 1036415016), (21, 987061920), (24, 863679180), (26, 797242320), (28, 740296440), (30, 690943344), (32, 647759385), (35, 592237152), (36, 575786120), (39, 531494880), (40, 518207508), (42, 493530960), (45, 460628896), (48, 431839590), (52, 398621160), (56, 370148220), (60, 345471672), (63, 329020640), (65, 318896928), (70, 296118576), (72, 287893060), (78, 265747440), (80, 259103754), (84, 246765480), (90, 230314448), (91, 227783520), (96, 215919795), (104, 199310580), (105, 197412384), (112, 185074110), (117, 177164960), (120, 172735836), (126, 164510320), (130, 159448464), (140, 148059288), (144, 143946530), (156, 132873720), (160, 129551877), (168, 123382740), (180, 115157224), (182, 113891760), (195, 106298976), (208, 99655290), (210, 98706192), (224, 92537055), (234, 88582480), (240, 86367918), (252, 82255160), (260, 79724232), (273, 75927840), (280, 74029644), (288, 71973265), (312, 66436860), (315, 65804128), (317, 65388960), (336, 61691370), (360, 57578612), (364, 56945880), (390, 53149488), (416, 49827645), (420, 49353096), (455, 45556704), (468, 44291240), (480, 43183959), (499, 41539680), (504, 41127580), (520, 39862116), (546, 37963920), (560, 37014822), (585, 35432992), (624, 33218430), (630, 32902064), (634, 32694480), (672, 30845685), (720, 28789306), (728, 28472940), (780, 26574744), (819, 25309280), (840, 24676548), (910, 22778352), (936, 22145620), (951, 21796320), (998, 20769840), (1008, 20563790), (1040, 19931058), (1092, 18981960), (1120, 18507411), (1170, 17716496), (1248, 16609215), (1260, 16451032), (1268, 16347240), (1365, 15185568), (1440, 14394653), (1456, 14236470), (1497, 13846560), (1560, 13287372), (1585, 13077792), (1638, 12654640), (1680, 12338274), (1820, 11389176), (1872, 11072810), (1902, 10898160), (1996, 10384920), (2016, 10281895), (2080, 9965529), (2184, 9490980), (2219, 9341280), (2340, 8858248), (2495, 8307936), (2520, 8225516), (2536, 8173620), (2730, 7592784), (2853, 7265440), (2912, 7118235), (2994, 6923280), (3120, 6643686), (3170, 6538896), (3276, 6327320), (3360, 6169137), (3493, 5934240), (3640, 5694588), (3744, 5536405), (3804, 5449080), (3992, 5192460), (4095, 5061856), (4121, 5029920), (4368, 4745490), (4438, 4670640), (4491, 4615520), (4680, 4429124), (4755, 4359264), (4990, 4153968), (5040, 4112758), (5072, 4086810), (5460, 3796392), (5706, 3632720), (5988, 3461640), (6240, 3321843), (6340, 3269448), (6487, 3195360), (6552, 3163660), (6657, 3113760), (6986, 2967120), (7280, 2847294), (7485, 2769312), (7608, 2724540), (7984, 2596230), (8190, 2530928), (8242, 2514960), (8736, 2372745), (8876, 2335320), (8982, 2307760), (9360, 2214562), (9510, 2179632), (9980, 2076984), (10080, 2056379), (10144, 2043405), (10479, 1978080), (10920, 1898196), (11095, 1868256), (11412, 1816360), (11976, 1730820), (12363, 1676640), (12680, 1634724), (12974, 1597680), (13104, 1581830), (13314, 1556880), (13972, 1483560), (14265, 1453088), (14560, 1423647), (14970, 1384656), (15216, 1362270), (15968, 1298115), (16380, 1265464), (16484, 1257480), (17465, 1186848), (17752, 1167660), (17964, 1153880), (18720, 1107281), (19020, 1089816), (19461, 1065120), (19960, 1038492), (19971, 1037920), (20605, 1005984), (20958, 989040), (21840, 949098), (22190, 934128), (22455, 923104), (22824, 908180), (23952, 865410), (24726, 838320), (25360, 817362), (25948, 798840), (26208, 790915), (26628, 778440), (27944, 741780), (28530, 726544), (28847, 718560), (29940, 692328), (30432, 681135), (31437, 659360), (32435, 639072), (32760, 632732), (32968, 628740), (33285, 622752), (34930, 593424), (35504, 583830), (35928, 576940), (37089, 558880), (38040, 544908), (38922, 532560), (39920, 519246), (39942, 518960), (41210, 502992), (41916, 494520), (43680, 474549), (44380, 467064), (44910, 461552), (45409, 456480), (45648, 454090), (47904, 432705), (49452, 419160), (50720, 408681), (51896, 399420), (52395, 395616), (53256, 389220), (55888, 370890), (57060, 363272), (57694, 359280), (58383, 355040), (59880, 346164), (61815, 335328), (62874, 329680), (64870, 319536), (65520, 316366), (65936, 314370), (66570, 311376), (69860, 296712), (71008, 291915), (71856, 288470), (74178, 279440), (76080, 272454), (77844, 266280), (79840, 259623), (79884, 259480), (82420, 251496), (83832, 247260), (86541, 239520), (88760, 233532), (89820, 230776), (90818, 228240), (91296, 227045), (97305, 213024), (98904, 209580), (99855, 207584), (103792, 199710), (104790, 197808), (106512, 194610), (111776, 185445), (114120, 181636), (115388, 179640), (116766, 177520), (119760, 173082), (123630, 167664), (125748, 164840), (129740, 159768), (131040, 158183), (131872, 157185), (133140, 155688), (136227, 152160), (139720, 148356), (143712, 144235)]