15691603640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{60943}}^1$

素因数の和:61152

約数の個数: 64

約数和(自身を含む): 36398194560

約数和(自身を除く): 20706590920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 157, 164, 205, 314, 328, 410, 628, 785, 820, 1256, 1570, 1640, 3140, 6280, 6437, 12874, 25748, 32185, 51496, 60943, 64370, 121886, 128740, 243772, 257480, 304715, 487544, 609430, 1218860, 2437720, 2498663, 4997326, 9568051, 9994652, 12493315, 19136102, 19989304, 24986630, 38272204, 47840255, 49973260, 76544408, 95680510, 99946520, 191361020, 382722040, 392290091, 784580182, 1569160364, 1961450455, 3138320728, 3922900910, 7845801820, 15691603640]

約数ペア:

[(1, 15691603640), (2, 7845801820), (4, 3922900910), (5, 3138320728), (8, 1961450455), (10, 1569160364), (20, 784580182), (40, 392290091), (41, 382722040), (82, 191361020), (157, 99946520), (164, 95680510), (205, 76544408), (314, 49973260), (328, 47840255), (410, 38272204), (628, 24986630), (785, 19989304), (820, 19136102), (1256, 12493315), (1570, 9994652), (1640, 9568051), (3140, 4997326), (6280, 2498663), (6437, 2437720), (12874, 1218860), (25748, 609430), (32185, 487544), (51496, 304715), (60943, 257480), (64370, 243772), (121886, 128740)]