20980224720

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{757}}^1$

素因数の和:849

約数の個数: 800

約数和(自身を含む): 91712130048

約数和(自身を除く): 70731905328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 47, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 81, 84, 90, 91, 94, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 141, 144, 156, 162, 168, 180, 182, 188, 189, 195, 208, 210, 216, 234, 235, 240, 252, 260, 270, 273, 280, 282, 312, 315, 324, 329, 336, 351, 360, 364, 376, 378, 390, 405, 420, 423, 432, 455, 468, 470, 504, 520, 540, 546, 560, 564, 567, 585, 611, 624, 630, 648, 658, 702, 705, 720, 728, 752, 756, 757, 780, 810, 819, 840, 846, 910, 936, 940, 945, 987, 1008, 1040, 1053, 1080, 1092, 1128, 1134, 1170, 1222, 1260, 1269, 1296, 1316, 1365, 1404, 1410, 1456, 1512, 1514, 1560, 1620, 1638, 1645, 1680, 1692, 1755, 1820, 1833, 1872, 1880, 1890, 1974, 2106, 2115, 2160, 2184, 2256, 2268, 2271, 2340, 2444, 2457, 2520, 2538, 2632, 2730, 2808, 2820, 2835, 2961, 3024, 3028, 3055, 3120, 3240, 3276, 3290, 3384, 3510, 3640, 3666, 3760, 3780, 3785, 3807, 3948, 4095, 4212, 4230, 4277, 4368, 4536, 4542, 4680, 4888, 4914, 4935, 5040, 5076, 5264, 5265, 5299, 5460, 5499, 5616, 5640, 5670, 5922, 6056, 6110, 6345, 6480, 6552, 6580, 6768, 6813, 7020, 7280, 7332, 7371, 7560, 7570, 7614, 7896, 8190, 8424, 8460, 8554, 8883, 9072, 9084, 9165, 9360, 9776, 9828, 9841, 9870, 10152, 10530, 10598, 10920, 10998, 11280, 11340, 11355, 11844, 12112, 12220, 12285, 12690, 12831, 13104, 13160, 13626, 14040, 14664, 14742, 14805, 15120, 15140, 15228, 15792, 15897, 16380, 16497, 16848, 16920, 17108, 17766, 18168, 18330, 19035, 19656, 19682, 19740, 20304, 20439, 21060, 21196, 21385, 21840, 21996, 22680, 22710, 23688, 24440, 24570, 25380, 25662, 26320, 26495, 26649, 27252, 27495, 28080, 29328, 29484, 29523, 29610, 30280, 30456, 31794, 32760, 32994, 33840, 34065, 34216, 35532, 35579, 36336, 36660, 36855, 38070, 38493, 39312, 39364, 39480, 40878, 42120, 42392, 42770, 43992, 44415, 45360, 45420, 47376, 47691, 48880, 49140, 49205, 49491, 50760, 51324, 52990, 53298, 54504, 54990, 58968, 59046, 59220, 60560, 60912, 61317, 63588, 64155, 65520, 65988, 68130, 68432, 68887, 71064, 71158, 73320, 73710, 76140, 76986, 78728, 78960, 79485, 81756, 82485, 84240, 84784, 85540, 87984, 88569, 88830, 90840, 95382, 98280, 98410, 98982, 101520, 102195, 102648, 105980, 106596, 106737, 109008, 109980, 115479, 117936, 118092, 118440, 122634, 127176, 128310, 131976, 133245, 136260, 137774, 142128, 142316, 143073, 146640, 147420, 147615, 152280, 153972, 157456, 158970, 163512, 164970, 171080, 177138, 177660, 177895, 181680, 190764, 192465, 196560, 196820, 197964, 204390, 205296, 206661, 211960, 213192, 213474, 219960, 230958, 236184, 236880, 238455, 245268, 247455, 249053, 254352, 256620, 263952, 265707, 266490, 272520, 275548, 284632, 286146, 294840, 295230, 304560, 306585, 307944, 317940, 320211, 327024, 329940, 342160, 344435, 346437, 354276, 355320, 355790, 381528, 384930, 393640, 395928, 408780, 413322, 423920, 426384, 426948, 429219, 439920, 442845, 461916, 462527, 472368, 476910, 490536, 494910, 498106, 513240, 531414, 532980, 533685, 545040, 551096, 569264, 572292, 577395, 589680, 590460, 613170, 615888, 619983, 635880, 640422, 659880, 688870, 692874, 708552, 710640, 711580, 715365, 747159, 763056, 769860, 787280, 791856, 797121, 817560, 826644, 853896, 858438, 885690, 923832, 925054, 953820, 960633, 981072, 989820, 996212, 1026480, 1033305, 1062828, 1065960, 1067370, 1102192, 1144584, 1154790, 1180920, 1226340, 1239966, 1245265, 1271760, 1280844, 1319760, 1328535, 1377740, 1385748, 1387581, 1417104, 1423160, 1430730, 1494318, 1539720, 1594242, 1601055, 1635120, 1653288, 1707792, 1716876, 1732185, 1771380, 1847664, 1850108, 1859949, 1907640, 1921266, 1979640, 1992424, 2066610, 2125656, 2131920, 2134740, 2146095, 2241477, 2289168, 2309580, 2312635, 2361840, 2452680, 2479932, 2490530, 2561688, 2657070, 2755480, 2771496, 2775162, 2846320, 2861460, 2881899, 2988636, 3079440, 3099915, 3188484, 3202110, 3237689, 3306576, 3433752, 3464370, 3542760, 3700216, 3719898, 3735795, 3815280, 3842532, 3959280, 3984848, 3985605, 4133220, 4162743, 4251312, 4269480, 4292190, 4482954, 4619160, 4625270, 4803165, 4905360, 4959864, 4981060, 5123376, 5314140, 5510960, 5542992, 5550324, 5579847, 5722920, 5763798, 5977272, 6199830, 6376968, 6404220, 6475378, 6724431, 6867504, 6928740, 6937905, 7085520, 7400432, 7439796, 7471590, 7685064, 7971210, 8266440, 8325486, 8538960, 8584380, 8965908, 9238320, 9250540, 9299745, 9606330, 9713067, 9919728, 9962120, 10628280, 11100648, 11159694, 11207385, 11445840, 11527596, 11954544, 12399660, 12488229, 12753936, 12808440, 12950756, 13448862, 13857480, 13875810, 14409495, 14879592, 14943180, 15370128, 15942420, 16188445, 16532880, 16650972, 17168760, 17931816, 18501080, 18599490, 19212660, 19426134, 19924240, 20173293, 20813715, 21256560, 22201296, 22319388, 22414770, 23055192, 24799320, 24976458, 25616880, 25901512, 26897724, 27714960, 27751620, 27899235, 28818990, 29139201, 29759184, 29886360, 31884840, 32376890, 33301944, 33622155, 34337520, 35863632, 37002160, 37198980, 37464687, 38425320, 38852268, 40346586, 41627430, 44638776, 44829540, 46110384, 48565335, 49598640, 49952916, 51803024, 53795448, 55503240, 55798470, 57637980, 58278402, 59772720, 62441145, 63769680, 64753780, 66603888, 67244310, 74397960, 74929374, 76850640, 77704536, 80693172, 83254860, 87417603, 89277552, 89659080, 97130670, 99905832, 100866465, 107590896, 111006480, 111596940, 115275960, 116556804, 124882290, 129507560, 134488620, 145696005, 148795920, 149858748, 155409072, 161386344, 166509720, 174835206, 179318160, 187323435, 194261340, 199811664, 201732930, 223193880, 230551920, 233113608, 249764580, 259015120, 262252809, 268977240, 291392010, 299717496, 322772688, 333019440, 349670412, 374646870, 388522680, 403465860, 437088015, 446387760, 466227216, 499529160, 524505618, 537954480, 582784020, 599434992, 699340824, 749293740, 777045360, 806931720, 874176030, 999058320, 1049011236, 1165568040, 1311264045, 1398681648, 1498587480, 1613863440, 1748352060, 2098022472, 2331136080, 2622528090, 2997174960, 3496704120, 4196044944, 5245056180, 6993408240, 10490112360, 20980224720]

約数ペア:

[(1, 20980224720), (2, 10490112360), (3, 6993408240), (4, 5245056180), (5, 4196044944), (6, 3496704120), (7, 2997174960), (8, 2622528090), (9, 2331136080), (10, 2098022472), (12, 1748352060), (13, 1613863440), (14, 1498587480), (15, 1398681648), (16, 1311264045), (18, 1165568040), (20, 1049011236), (21, 999058320), (24, 874176030), (26, 806931720), (27, 777045360), (28, 749293740), (30, 699340824), (35, 599434992), (36, 582784020), (39, 537954480), (40, 524505618), (42, 499529160), (45, 466227216), (47, 446387760), (48, 437088015), (52, 403465860), (54, 388522680), (56, 374646870), (60, 349670412), (63, 333019440), (65, 322772688), (70, 299717496), (72, 291392010), (78, 268977240), (80, 262252809), (81, 259015120), (84, 249764580), (90, 233113608), (91, 230551920), (94, 223193880), (104, 201732930), (105, 199811664), (108, 194261340), (112, 187323435), (117, 179318160), (120, 174835206), (126, 166509720), (130, 161386344), (135, 155409072), (140, 149858748), (141, 148795920), (144, 145696005), (156, 134488620), (162, 129507560), (168, 124882290), (180, 116556804), (182, 115275960), (188, 111596940), (189, 111006480), (195, 107590896), (208, 100866465), (210, 99905832), (216, 97130670), (234, 89659080), (235, 89277552), (240, 87417603), (252, 83254860), (260, 80693172), (270, 77704536), (273, 76850640), (280, 74929374), (282, 74397960), (312, 67244310), (315, 66603888), (324, 64753780), (329, 63769680), (336, 62441145), (351, 59772720), (360, 58278402), (364, 57637980), (376, 55798470), (378, 55503240), (390, 53795448), (405, 51803024), (420, 49952916), (423, 49598640), (432, 48565335), (455, 46110384), (468, 44829540), (470, 44638776), (504, 41627430), (520, 40346586), (540, 38852268), (546, 38425320), (560, 37464687), (564, 37198980), (567, 37002160), (585, 35863632), (611, 34337520), (624, 33622155), (630, 33301944), (648, 32376890), (658, 31884840), (702, 29886360), (705, 29759184), (720, 29139201), (728, 28818990), (752, 27899235), (756, 27751620), (757, 27714960), (780, 26897724), (810, 25901512), (819, 25616880), (840, 24976458), (846, 24799320), (910, 23055192), (936, 22414770), (940, 22319388), (945, 22201296), (987, 21256560), (1008, 20813715), (1040, 20173293), (1053, 19924240), (1080, 19426134), (1092, 19212660), (1128, 18599490), (1134, 18501080), (1170, 17931816), (1222, 17168760), (1260, 16650972), (1269, 16532880), (1296, 16188445), (1316, 15942420), (1365, 15370128), (1404, 14943180), (1410, 14879592), (1456, 14409495), (1512, 13875810), (1514, 13857480), (1560, 13448862), (1620, 12950756), (1638, 12808440), (1645, 12753936), (1680, 12488229), (1692, 12399660), (1755, 11954544), (1820, 11527596), (1833, 11445840), (1872, 11207385), (1880, 11159694), (1890, 11100648), (1974, 10628280), (2106, 9962120), (2115, 9919728), (2160, 9713067), (2184, 9606330), (2256, 9299745), (2268, 9250540), (2271, 9238320), (2340, 8965908), (2444, 8584380), (2457, 8538960), (2520, 8325486), (2538, 8266440), (2632, 7971210), (2730, 7685064), (2808, 7471590), (2820, 7439796), (2835, 7400432), (2961, 7085520), (3024, 6937905), (3028, 6928740), (3055, 6867504), (3120, 6724431), (3240, 6475378), (3276, 6404220), (3290, 6376968), (3384, 6199830), (3510, 5977272), (3640, 5763798), (3666, 5722920), (3760, 5579847), (3780, 5550324), (3785, 5542992), (3807, 5510960), (3948, 5314140), (4095, 5123376), (4212, 4981060), (4230, 4959864), (4277, 4905360), (4368, 4803165), (4536, 4625270), (4542, 4619160), (4680, 4482954), (4888, 4292190), (4914, 4269480), (4935, 4251312), (5040, 4162743), (5076, 4133220), (5264, 3985605), (5265, 3984848), (5299, 3959280), (5460, 3842532), (5499, 3815280), (5616, 3735795), (5640, 3719898), (5670, 3700216), (5922, 3542760), (6056, 3464370), (6110, 3433752), (6345, 3306576), (6480, 3237689), (6552, 3202110), (6580, 3188484), (6768, 3099915), (6813, 3079440), (7020, 2988636), (7280, 2881899), (7332, 2861460), (7371, 2846320), (7560, 2775162), (7570, 2771496), (7614, 2755480), (7896, 2657070), (8190, 2561688), (8424, 2490530), (8460, 2479932), (8554, 2452680), (8883, 2361840), (9072, 2312635), (9084, 2309580), (9165, 2289168), (9360, 2241477), (9776, 2146095), (9828, 2134740), (9841, 2131920), (9870, 2125656), (10152, 2066610), (10530, 1992424), (10598, 1979640), (10920, 1921266), (10998, 1907640), (11280, 1859949), (11340, 1850108), (11355, 1847664), (11844, 1771380), (12112, 1732185), (12220, 1716876), (12285, 1707792), (12690, 1653288), (12831, 1635120), (13104, 1601055), (13160, 1594242), (13626, 1539720), (14040, 1494318), (14664, 1430730), (14742, 1423160), (14805, 1417104), (15120, 1387581), (15140, 1385748), (15228, 1377740), (15792, 1328535), (15897, 1319760), (16380, 1280844), (16497, 1271760), (16848, 1245265), (16920, 1239966), (17108, 1226340), (17766, 1180920), (18168, 1154790), (18330, 1144584), (19035, 1102192), (19656, 1067370), (19682, 1065960), (19740, 1062828), (20304, 1033305), (20439, 1026480), (21060, 996212), (21196, 989820), (21385, 981072), (21840, 960633), (21996, 953820), (22680, 925054), (22710, 923832), (23688, 885690), (24440, 858438), (24570, 853896), (25380, 826644), (25662, 817560), (26320, 797121), (26495, 791856), (26649, 787280), (27252, 769860), (27495, 763056), (28080, 747159), (29328, 715365), (29484, 711580), (29523, 710640), (29610, 708552), (30280, 692874), (30456, 688870), (31794, 659880), (32760, 640422), (32994, 635880), (33840, 619983), (34065, 615888), (34216, 613170), (35532, 590460), (35579, 589680), (36336, 577395), (36660, 572292), (36855, 569264), (38070, 551096), (38493, 545040), (39312, 533685), (39364, 532980), (39480, 531414), (40878, 513240), (42120, 498106), (42392, 494910), (42770, 490536), (43992, 476910), (44415, 472368), (45360, 462527), (45420, 461916), (47376, 442845), (47691, 439920), (48880, 429219), (49140, 426948), (49205, 426384), (49491, 423920), (50760, 413322), (51324, 408780), (52990, 395928), (53298, 393640), (54504, 384930), (54990, 381528), (58968, 355790), (59046, 355320), (59220, 354276), (60560, 346437), (60912, 344435), (61317, 342160), (63588, 329940), (64155, 327024), (65520, 320211), (65988, 317940), (68130, 307944), (68432, 306585), (68887, 304560), (71064, 295230), (71158, 294840), (73320, 286146), (73710, 284632), (76140, 275548), (76986, 272520), (78728, 266490), (78960, 265707), (79485, 263952), (81756, 256620), (82485, 254352), (84240, 249053), (84784, 247455), (85540, 245268), (87984, 238455), (88569, 236880), (88830, 236184), (90840, 230958), (95382, 219960), (98280, 213474), (98410, 213192), (98982, 211960), (101520, 206661), (102195, 205296), (102648, 204390), (105980, 197964), (106596, 196820), (106737, 196560), (109008, 192465), (109980, 190764), (115479, 181680), (117936, 177895), (118092, 177660), (118440, 177138), (122634, 171080), (127176, 164970), (128310, 163512), (131976, 158970), (133245, 157456), (136260, 153972), (137774, 152280), (142128, 147615), (142316, 147420), (143073, 146640)]