1606660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 3769920

約数和(自身を除く): 2163260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 109, 110, 134, 218, 220, 268, 335, 436, 545, 670, 737, 1090, 1199, 1340, 1474, 2180, 2398, 2948, 3685, 4796, 5995, 7303, 7370, 11990, 14606, 14740, 23980, 29212, 36515, 73030, 80333, 146060, 160666, 321332, 401665, 803330, 1606660]

約数ペア:

[(1, 1606660), (2, 803330), (4, 401665), (5, 321332), (10, 160666), (11, 146060), (20, 80333), (22, 73030), (44, 36515), (55, 29212), (67, 23980), (109, 14740), (110, 14606), (134, 11990), (218, 7370), (220, 7303), (268, 5995), (335, 4796), (436, 3685), (545, 2948), (670, 2398), (737, 2180), (1090, 1474), (1199, 1340)]