68705920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3463}}^1$

素因数の和:3513

約数の個数: 64

約数和(自身を含む): 169597440

約数和(自身を除く): 100891520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3463, 3968, 4960, 6926, 9920, 13852, 17315, 19840, 27704, 34630, 55408, 69260, 107353, 110816, 138520, 214706, 221632, 277040, 429412, 443264, 536765, 554080, 858824, 1073530, 1108160, 1717648, 2147060, 2216320, 3435296, 4294120, 6870592, 8588240, 13741184, 17176480, 34352960, 68705920]

約数ペア:

[(1, 68705920), (2, 34352960), (4, 17176480), (5, 13741184), (8, 8588240), (10, 6870592), (16, 4294120), (20, 3435296), (31, 2216320), (32, 2147060), (40, 1717648), (62, 1108160), (64, 1073530), (80, 858824), (124, 554080), (128, 536765), (155, 443264), (160, 429412), (248, 277040), (310, 221632), (320, 214706), (496, 138520), (620, 110816), (640, 107353), (992, 69260), (1240, 55408), (1984, 34630), (2480, 27704), (3463, 19840), (3968, 17315), (4960, 13852), (6926, 9920)]