91568680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2083}}^1$

素因数の和:2258

約数の個数: 64

約数和(自身を含む): 237075840

約数和(自身を除く): 145507160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1570, 2083, 2198, 3140, 4166, 4396, 5495, 6280, 8332, 8792, 10415, 10990, 14581, 16664, 20830, 21980, 29162, 41660, 43960, 58324, 72905, 83320, 116648, 145810, 291620, 327031, 583240, 654062, 1308124, 1635155, 2289217, 2616248, 3270310, 4578434, 6540620, 9156868, 11446085, 13081240, 18313736, 22892170, 45784340, 91568680]

約数ペア:

[(1, 91568680), (2, 45784340), (4, 22892170), (5, 18313736), (7, 13081240), (8, 11446085), (10, 9156868), (14, 6540620), (20, 4578434), (28, 3270310), (35, 2616248), (40, 2289217), (56, 1635155), (70, 1308124), (140, 654062), (157, 583240), (280, 327031), (314, 291620), (628, 145810), (785, 116648), (1099, 83320), (1256, 72905), (1570, 58324), (2083, 43960), (2198, 41660), (3140, 29162), (4166, 21980), (4396, 20830), (5495, 16664), (6280, 14581), (8332, 10990), (8792, 10415)]