15665597720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{587}}^1\times {\mathrm{6121}}^1$

素因数の和:6828

約数の個数: 64

約数和(自身を含む): 35637386400

約数和(自身を除く): 19971788680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 587, 872, 1090, 1174, 2180, 2348, 2935, 4360, 4696, 5870, 6121, 11740, 12242, 23480, 24484, 30605, 48968, 61210, 63983, 122420, 127966, 244840, 255932, 319915, 511864, 639830, 667189, 1279660, 1334378, 2559320, 2668756, 3335945, 3593027, 5337512, 6671890, 7186054, 13343780, 14372108, 17965135, 26687560, 28744216, 35930270, 71860540, 143721080, 391639943, 783279886, 1566559772, 1958199715, 3133119544, 3916399430, 7832798860, 15665597720]

約数ペア:

[(1, 15665597720), (2, 7832798860), (4, 3916399430), (5, 3133119544), (8, 1958199715), (10, 1566559772), (20, 783279886), (40, 391639943), (109, 143721080), (218, 71860540), (436, 35930270), (545, 28744216), (587, 26687560), (872, 17965135), (1090, 14372108), (1174, 13343780), (2180, 7186054), (2348, 6671890), (2935, 5337512), (4360, 3593027), (4696, 3335945), (5870, 2668756), (6121, 2559320), (11740, 1334378), (12242, 1279660), (23480, 667189), (24484, 639830), (30605, 511864), (48968, 319915), (61210, 255932), (63983, 244840), (122420, 127966)]