20115225840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{2689}}^1$

素因数の和:3215

約数の個数: 160

約数和(自身を含む): 63403084800

約数和(自身を除く): 43287858960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 439, 568, 710, 852, 878, 1065, 1136, 1317, 1420, 1704, 1756, 2130, 2195, 2634, 2689, 2840, 3408, 3512, 4260, 4390, 5268, 5378, 5680, 6585, 7024, 8067, 8520, 8780, 10536, 10756, 13170, 13445, 16134, 17040, 17560, 21072, 21512, 26340, 26890, 31169, 32268, 35120, 40335, 43024, 52680, 53780, 62338, 64536, 80670, 93507, 105360, 107560, 124676, 129072, 155845, 161340, 187014, 190919, 215120, 249352, 311690, 322680, 374028, 381838, 467535, 498704, 572757, 623380, 645360, 748056, 763676, 935070, 954595, 1145514, 1180471, 1246760, 1496112, 1527352, 1870140, 1909190, 2291028, 2360942, 2493520, 2863785, 3054704, 3541413, 3740280, 3818380, 4582056, 4721884, 5727570, 5902355, 7082826, 7480560, 7636760, 9164112, 9443768, 11455140, 11804710, 14165652, 15273520, 17707065, 18887536, 22910280, 23609420, 28331304, 35414130, 45820560, 47218840, 56662608, 70828260, 83813441, 94437680, 141656520, 167626882, 251440323, 283313040, 335253764, 419067205, 502880646, 670507528, 838134410, 1005761292, 1257201615, 1341015056, 1676268820, 2011522584, 2514403230, 3352537640, 4023045168, 5028806460, 6705075280, 10057612920, 20115225840]

約数ペア:

[(1, 20115225840), (2, 10057612920), (3, 6705075280), (4, 5028806460), (5, 4023045168), (6, 3352537640), (8, 2514403230), (10, 2011522584), (12, 1676268820), (15, 1341015056), (16, 1257201615), (20, 1005761292), (24, 838134410), (30, 670507528), (40, 502880646), (48, 419067205), (60, 335253764), (71, 283313040), (80, 251440323), (120, 167626882), (142, 141656520), (213, 94437680), (240, 83813441), (284, 70828260), (355, 56662608), (426, 47218840), (439, 45820560), (568, 35414130), (710, 28331304), (852, 23609420), (878, 22910280), (1065, 18887536), (1136, 17707065), (1317, 15273520), (1420, 14165652), (1704, 11804710), (1756, 11455140), (2130, 9443768), (2195, 9164112), (2634, 7636760), (2689, 7480560), (2840, 7082826), (3408, 5902355), (3512, 5727570), (4260, 4721884), (4390, 4582056), (5268, 3818380), (5378, 3740280), (5680, 3541413), (6585, 3054704), (7024, 2863785), (8067, 2493520), (8520, 2360942), (8780, 2291028), (10536, 1909190), (10756, 1870140), (13170, 1527352), (13445, 1496112), (16134, 1246760), (17040, 1180471), (17560, 1145514), (21072, 954595), (21512, 935070), (26340, 763676), (26890, 748056), (31169, 645360), (32268, 623380), (35120, 572757), (40335, 498704), (43024, 467535), (52680, 381838), (53780, 374028), (62338, 322680), (64536, 311690), (80670, 249352), (93507, 215120), (105360, 190919), (107560, 187014), (124676, 161340), (129072, 155845)]