15577120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7489}}^1$

素因数の和:7517

約数の個数: 48

約数和(自身を含む): 39637080

約数和(自身を除く): 24059960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 7489, 14978, 29956, 37445, 59912, 74890, 97357, 119824, 149780, 194714, 239648, 299560, 389428, 486785, 599120, 778856, 973570, 1198240, 1557712, 1947140, 3115424, 3894280, 7788560, 15577120]

約数ペア:

[(1, 15577120), (2, 7788560), (4, 3894280), (5, 3115424), (8, 1947140), (10, 1557712), (13, 1198240), (16, 973570), (20, 778856), (26, 599120), (32, 486785), (40, 389428), (52, 299560), (65, 239648), (80, 194714), (104, 149780), (130, 119824), (160, 97357), (208, 74890), (260, 59912), (416, 37445), (520, 29956), (1040, 14978), (2080, 7489)]