2657460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3407}}^1$

素因数の和:3432

約数の個数: 48

約数和(自身を含む): 8015616

約数和(自身を除く): 5358156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 3407, 6814, 10221, 13628, 17035, 20442, 34070, 40884, 44291, 51105, 68140, 88582, 102210, 132873, 177164, 204420, 221455, 265746, 442910, 531492, 664365, 885820, 1328730, 2657460]

約数ペア:

[(1, 2657460), (2, 1328730), (3, 885820), (4, 664365), (5, 531492), (6, 442910), (10, 265746), (12, 221455), (13, 204420), (15, 177164), (20, 132873), (26, 102210), (30, 88582), (39, 68140), (52, 51105), (60, 44291), (65, 40884), (78, 34070), (130, 20442), (156, 17035), (195, 13628), (260, 10221), (390, 6814), (780, 3407)]