15257625

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 27855360

約数和(自身を除く): 12597735

約数列:

[1, 3, 5, 15, 23, 25, 29, 61, 69, 75, 87, 115, 125, 145, 183, 305, 345, 375, 435, 575, 667, 725, 915, 1403, 1525, 1725, 1769, 2001, 2175, 2875, 3335, 3625, 4209, 4575, 5307, 7015, 7625, 8625, 8845, 10005, 10875, 16675, 21045, 22875, 26535, 35075, 40687, 44225, 50025, 83375, 105225, 122061, 132675, 175375, 203435, 221125, 250125, 526125, 610305, 663375, 1017175, 3051525, 5085875, 15257625]

約数ペア:

[(1, 15257625), (3, 5085875), (5, 3051525), (15, 1017175), (23, 663375), (25, 610305), (29, 526125), (61, 250125), (69, 221125), (75, 203435), (87, 175375), (115, 132675), (125, 122061), (145, 105225), (183, 83375), (305, 50025), (345, 44225), (375, 40687), (435, 35075), (575, 26535), (667, 22875), (725, 21045), (915, 16675), (1403, 10875), (1525, 10005), (1725, 8845), (1769, 8625), (2001, 7625), (2175, 7015), (2875, 5307), (3335, 4575), (3625, 4209)]