74487080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 174906000

約数和(自身を除く): 100418920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 157, 232, 290, 314, 409, 580, 628, 785, 818, 1160, 1256, 1570, 1636, 2045, 3140, 3272, 4090, 4553, 6280, 8180, 9106, 11861, 16360, 18212, 22765, 23722, 36424, 45530, 47444, 59305, 64213, 91060, 94888, 118610, 128426, 182120, 237220, 256852, 321065, 474440, 513704, 642130, 1284260, 1862177, 2568520, 3724354, 7448708, 9310885, 14897416, 18621770, 37243540, 74487080]

約数ペア:

[(1, 74487080), (2, 37243540), (4, 18621770), (5, 14897416), (8, 9310885), (10, 7448708), (20, 3724354), (29, 2568520), (40, 1862177), (58, 1284260), (116, 642130), (145, 513704), (157, 474440), (232, 321065), (290, 256852), (314, 237220), (409, 182120), (580, 128426), (628, 118610), (785, 94888), (818, 91060), (1160, 64213), (1256, 59305), (1570, 47444), (1636, 45530), (2045, 36424), (3140, 23722), (3272, 22765), (4090, 18212), (4553, 16360), (6280, 11861), (8180, 9106)]