72479680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 224

約数和(自身を含む): 225308160

約数和(自身を除く): 152828480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 76, 80, 91, 95, 104, 112, 130, 131, 133, 140, 152, 160, 182, 190, 208, 224, 247, 260, 262, 266, 280, 304, 320, 364, 380, 416, 448, 455, 494, 520, 524, 532, 560, 608, 655, 665, 728, 760, 832, 910, 917, 988, 1040, 1048, 1064, 1120, 1216, 1235, 1310, 1330, 1456, 1520, 1703, 1729, 1820, 1834, 1976, 2080, 2096, 2128, 2240, 2470, 2489, 2620, 2660, 2912, 3040, 3406, 3458, 3640, 3668, 3952, 4160, 4192, 4256, 4585, 4940, 4978, 5240, 5320, 5824, 6080, 6812, 6916, 7280, 7336, 7904, 8384, 8512, 8515, 8645, 9170, 9880, 9956, 10480, 10640, 11921, 12445, 13624, 13832, 14560, 14672, 15808, 17030, 17290, 17423, 18340, 19760, 19912, 20960, 21280, 23842, 24890, 27248, 27664, 29120, 29344, 32357, 34060, 34580, 34846, 36680, 39520, 39824, 41920, 42560, 47684, 49780, 54496, 55328, 58688, 59605, 64714, 68120, 69160, 69692, 73360, 79040, 79648, 87115, 95368, 99560, 108992, 110656, 119210, 129428, 136240, 138320, 139384, 146720, 159296, 161785, 174230, 190736, 199120, 226499, 238420, 258856, 272480, 276640, 278768, 293440, 323570, 348460, 381472, 398240, 452998, 476840, 517712, 544960, 553280, 557536, 647140, 696920, 762944, 796480, 905996, 953680, 1035424, 1115072, 1132495, 1294280, 1393840, 1811992, 1907360, 2070848, 2264990, 2588560, 2787680, 3623984, 3814720, 4529980, 5177120, 5575360, 7247968, 9059960, 10354240, 14495936, 18119920, 36239840, 72479680]

約数ペア:

[(1, 72479680), (2, 36239840), (4, 18119920), (5, 14495936), (7, 10354240), (8, 9059960), (10, 7247968), (13, 5575360), (14, 5177120), (16, 4529980), (19, 3814720), (20, 3623984), (26, 2787680), (28, 2588560), (32, 2264990), (35, 2070848), (38, 1907360), (40, 1811992), (52, 1393840), (56, 1294280), (64, 1132495), (65, 1115072), (70, 1035424), (76, 953680), (80, 905996), (91, 796480), (95, 762944), (104, 696920), (112, 647140), (130, 557536), (131, 553280), (133, 544960), (140, 517712), (152, 476840), (160, 452998), (182, 398240), (190, 381472), (208, 348460), (224, 323570), (247, 293440), (260, 278768), (262, 276640), (266, 272480), (280, 258856), (304, 238420), (320, 226499), (364, 199120), (380, 190736), (416, 174230), (448, 161785), (455, 159296), (494, 146720), (520, 139384), (524, 138320), (532, 136240), (560, 129428), (608, 119210), (655, 110656), (665, 108992), (728, 99560), (760, 95368), (832, 87115), (910, 79648), (917, 79040), (988, 73360), (1040, 69692), (1048, 69160), (1064, 68120), (1120, 64714), (1216, 59605), (1235, 58688), (1310, 55328), (1330, 54496), (1456, 49780), (1520, 47684), (1703, 42560), (1729, 41920), (1820, 39824), (1834, 39520), (1976, 36680), (2080, 34846), (2096, 34580), (2128, 34060), (2240, 32357), (2470, 29344), (2489, 29120), (2620, 27664), (2660, 27248), (2912, 24890), (3040, 23842), (3406, 21280), (3458, 20960), (3640, 19912), (3668, 19760), (3952, 18340), (4160, 17423), (4192, 17290), (4256, 17030), (4585, 15808), (4940, 14672), (4978, 14560), (5240, 13832), (5320, 13624), (5824, 12445), (6080, 11921), (6812, 10640), (6916, 10480), (7280, 9956), (7336, 9880), (7904, 9170), (8384, 8645), (8512, 8515)]