71512120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 166759200

約数和(自身を除く): 95247080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 211, 229, 296, 370, 422, 458, 740, 844, 916, 1055, 1145, 1480, 1688, 1832, 2110, 2290, 4220, 4580, 7807, 8440, 8473, 9160, 15614, 16946, 31228, 33892, 39035, 42365, 48319, 62456, 67784, 78070, 84730, 96638, 156140, 169460, 193276, 241595, 312280, 338920, 386552, 483190, 966380, 1787803, 1932760, 3575606, 7151212, 8939015, 14302424, 17878030, 35756060, 71512120]

約数ペア:

[(1, 71512120), (2, 35756060), (4, 17878030), (5, 14302424), (8, 8939015), (10, 7151212), (20, 3575606), (37, 1932760), (40, 1787803), (74, 966380), (148, 483190), (185, 386552), (211, 338920), (229, 312280), (296, 241595), (370, 193276), (422, 169460), (458, 156140), (740, 96638), (844, 84730), (916, 78070), (1055, 67784), (1145, 62456), (1480, 48319), (1688, 42365), (1832, 39035), (2110, 33892), (2290, 31228), (4220, 16946), (4580, 15614), (7807, 9160), (8440, 8473)]