31464320

素因数分解:

$2^7\times 5^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 75900240

約数和(自身を除く): 44435920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 233, 320, 422, 466, 640, 844, 932, 1055, 1165, 1688, 1864, 2110, 2330, 3376, 3728, 4220, 4660, 6752, 7456, 8440, 9320, 13504, 14912, 16880, 18640, 27008, 29824, 33760, 37280, 49163, 67520, 74560, 98326, 135040, 149120, 196652, 245815, 393304, 491630, 786608, 983260, 1573216, 1966520, 3146432, 3933040, 6292864, 7866080, 15732160, 31464320]

約数ペア:

[(1, 31464320), (2, 15732160), (4, 7866080), (5, 6292864), (8, 3933040), (10, 3146432), (16, 1966520), (20, 1573216), (32, 983260), (40, 786608), (64, 491630), (80, 393304), (128, 245815), (160, 196652), (211, 149120), (233, 135040), (320, 98326), (422, 74560), (466, 67520), (640, 49163), (844, 37280), (932, 33760), (1055, 29824), (1165, 27008), (1688, 18640), (1864, 16880), (2110, 14912), (2330, 13504), (3376, 9320), (3728, 8440), (4220, 7456), (4660, 6752)]