71494640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127669}}^1$

素因数の和:127689

約数の個数: 40

約数和(自身を含む): 189972960

約数和(自身を除く): 118478320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 127669, 255338, 510676, 638345, 893683, 1021352, 1276690, 1787366, 2042704, 2553380, 3574732, 4468415, 5106760, 7149464, 8936830, 10213520, 14298928, 17873660, 35747320, 71494640]

約数ペア:

[(1, 71494640), (2, 35747320), (4, 17873660), (5, 14298928), (7, 10213520), (8, 8936830), (10, 7149464), (14, 5106760), (16, 4468415), (20, 3574732), (28, 2553380), (35, 2042704), (40, 1787366), (56, 1276690), (70, 1021352), (80, 893683), (112, 638345), (140, 510676), (280, 255338), (560, 127669)]