2561460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3881}}^1$

素因数の和:3904

約数の個数: 48

約数和(自身を含む): 7826112

約数和(自身を除く): 5264652

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 3881, 7762, 11643, 15524, 19405, 23286, 38810, 42691, 46572, 58215, 77620, 85382, 116430, 128073, 170764, 213455, 232860, 256146, 426910, 512292, 640365, 853820, 1280730, 2561460]

約数ペア:

[(1, 2561460), (2, 1280730), (3, 853820), (4, 640365), (5, 512292), (6, 426910), (10, 256146), (11, 232860), (12, 213455), (15, 170764), (20, 128073), (22, 116430), (30, 85382), (33, 77620), (44, 58215), (55, 46572), (60, 42691), (66, 38810), (110, 23286), (132, 19405), (165, 15524), (220, 11643), (330, 7762), (660, 3881)]