163641520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2731}}^1$

素因数の和:2858

約数の個数: 80

約数和(自身を含む): 439043328

約数和(自身を除く): 275401808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 749, 856, 1070, 1498, 1712, 2140, 2731, 2996, 3745, 4280, 5462, 5992, 7490, 8560, 10924, 11984, 13655, 14980, 19117, 21848, 27310, 29960, 38234, 43696, 54620, 59920, 76468, 95585, 109240, 152936, 191170, 218480, 292217, 305872, 382340, 584434, 764680, 1168868, 1461085, 1529360, 2045519, 2337736, 2922170, 4091038, 4675472, 5844340, 8182076, 10227595, 11688680, 16364152, 20455190, 23377360, 32728304, 40910380, 81820760, 163641520]

約数ペア:

[(1, 163641520), (2, 81820760), (4, 40910380), (5, 32728304), (7, 23377360), (8, 20455190), (10, 16364152), (14, 11688680), (16, 10227595), (20, 8182076), (28, 5844340), (35, 4675472), (40, 4091038), (56, 2922170), (70, 2337736), (80, 2045519), (107, 1529360), (112, 1461085), (140, 1168868), (214, 764680), (280, 584434), (428, 382340), (535, 305872), (560, 292217), (749, 218480), (856, 191170), (1070, 152936), (1498, 109240), (1712, 95585), (2140, 76468), (2731, 59920), (2996, 54620), (3745, 43696), (4280, 38234), (5462, 29960), (5992, 27310), (7490, 21848), (8560, 19117), (10924, 14980), (11984, 13655)]