77975680

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1669}}^1$

素因数の和:1761

約数の個数: 64

約数和(自身を含む): 189077400

約数和(自身を除く): 111101720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 584, 640, 730, 1168, 1460, 1669, 2336, 2920, 3338, 4672, 5840, 6676, 8345, 9344, 11680, 13352, 16690, 23360, 26704, 33380, 46720, 53408, 66760, 106816, 121837, 133520, 213632, 243674, 267040, 487348, 534080, 609185, 974696, 1068160, 1218370, 1949392, 2436740, 3898784, 4873480, 7797568, 9746960, 15595136, 19493920, 38987840, 77975680]

約数ペア:

[(1, 77975680), (2, 38987840), (4, 19493920), (5, 15595136), (8, 9746960), (10, 7797568), (16, 4873480), (20, 3898784), (32, 2436740), (40, 1949392), (64, 1218370), (73, 1068160), (80, 974696), (128, 609185), (146, 534080), (160, 487348), (292, 267040), (320, 243674), (365, 213632), (584, 133520), (640, 121837), (730, 106816), (1168, 66760), (1460, 53408), (1669, 46720), (2336, 33380), (2920, 26704), (3338, 23360), (4672, 16690), (5840, 13352), (6676, 11680), (8345, 9344)]