1577114920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1\times {\mathrm{1283}}^1$

素因数の和:1762

約数の個数: 64

約数和(自身を含む): 3605472000

約数和(自身を除く): 2028357080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 389, 395, 632, 778, 790, 1283, 1556, 1580, 1945, 2566, 3112, 3160, 3890, 5132, 6415, 7780, 10264, 12830, 15560, 25660, 30731, 51320, 61462, 101357, 122924, 153655, 202714, 245848, 307310, 405428, 499087, 506785, 614620, 810856, 998174, 1013570, 1229240, 1996348, 2027140, 2495435, 3992696, 4054280, 4990870, 9981740, 19963480, 39427873, 78855746, 157711492, 197139365, 315422984, 394278730, 788557460, 1577114920]

約数ペア:

[(1, 1577114920), (2, 788557460), (4, 394278730), (5, 315422984), (8, 197139365), (10, 157711492), (20, 78855746), (40, 39427873), (79, 19963480), (158, 9981740), (316, 4990870), (389, 4054280), (395, 3992696), (632, 2495435), (778, 2027140), (790, 1996348), (1283, 1229240), (1556, 1013570), (1580, 998174), (1945, 810856), (2566, 614620), (3112, 506785), (3160, 499087), (3890, 405428), (5132, 307310), (6415, 245848), (7780, 202714), (10264, 153655), (12830, 122924), (15560, 101357), (25660, 61462), (30731, 51320)]