15661532560

素因数分解:

$2^4\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{123983}}^1$

素因数の和:125575

約数の個数: 40

約数和(自身を含む): 36436417920

約数和(自身を除く): 20774885360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1579, 3158, 6316, 7895, 12632, 15790, 25264, 31580, 63160, 123983, 126320, 247966, 495932, 619915, 991864, 1239830, 1983728, 2479660, 4959320, 9918640, 195769157, 391538314, 783076628, 978845785, 1566153256, 1957691570, 3132306512, 3915383140, 7830766280, 15661532560]

約数ペア:

[(1, 15661532560), (2, 7830766280), (4, 3915383140), (5, 3132306512), (8, 1957691570), (10, 1566153256), (16, 978845785), (20, 783076628), (40, 391538314), (80, 195769157), (1579, 9918640), (3158, 4959320), (6316, 2479660), (7895, 1983728), (12632, 1239830), (15790, 991864), (25264, 619915), (31580, 495932), (63160, 247966), (123983, 126320)]