15245240

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1483}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 34458480

約数和(自身を除く): 19213240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 1483, 2056, 2570, 2966, 5140, 5932, 7415, 10280, 11864, 14830, 29660, 59320, 381131, 762262, 1524524, 1905655, 3049048, 3811310, 7622620, 15245240]

約数ペア:

[(1, 15245240), (2, 7622620), (4, 3811310), (5, 3049048), (8, 1905655), (10, 1524524), (20, 762262), (40, 381131), (257, 59320), (514, 29660), (1028, 14830), (1285, 11864), (1483, 10280), (2056, 7415), (2570, 5932), (2966, 5140)]