31509314680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{144247}}^1$

素因数の和:144428

約数の個数: 64

約数和(自身を含む): 73116426240

約数和(自身を除く): 41607111560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 127, 172, 215, 254, 344, 430, 508, 635, 860, 1016, 1270, 1720, 2540, 5080, 5461, 10922, 21844, 27305, 43688, 54610, 109220, 144247, 218440, 288494, 576988, 721235, 1153976, 1442470, 2884940, 5769880, 6202621, 12405242, 18319369, 24810484, 31013105, 36638738, 49620968, 62026210, 73277476, 91596845, 124052420, 146554952, 183193690, 248104840, 366387380, 732774760, 787732867, 1575465734, 3150931468, 3938664335, 6301862936, 7877328670, 15754657340, 31509314680]

約数ペア:

[(1, 31509314680), (2, 15754657340), (4, 7877328670), (5, 6301862936), (8, 3938664335), (10, 3150931468), (20, 1575465734), (40, 787732867), (43, 732774760), (86, 366387380), (127, 248104840), (172, 183193690), (215, 146554952), (254, 124052420), (344, 91596845), (430, 73277476), (508, 62026210), (635, 49620968), (860, 36638738), (1016, 31013105), (1270, 24810484), (1720, 18319369), (2540, 12405242), (5080, 6202621), (5461, 5769880), (10922, 2884940), (21844, 1442470), (27305, 1153976), (43688, 721235), (54610, 576988), (109220, 288494), (144247, 218440)]