71535640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{443}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 176463360

約数和(自身を除く): 104927720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 367, 440, 443, 734, 886, 1468, 1772, 1835, 2215, 2936, 3544, 3670, 4037, 4430, 4873, 7340, 8074, 8860, 9746, 14680, 16148, 17720, 19492, 20185, 24365, 32296, 38984, 40370, 48730, 80740, 97460, 161480, 162581, 194920, 325162, 650324, 812905, 1300648, 1625810, 1788391, 3251620, 3576782, 6503240, 7153564, 8941955, 14307128, 17883910, 35767820, 71535640]

約数ペア:

[(1, 71535640), (2, 35767820), (4, 17883910), (5, 14307128), (8, 8941955), (10, 7153564), (11, 6503240), (20, 3576782), (22, 3251620), (40, 1788391), (44, 1625810), (55, 1300648), (88, 812905), (110, 650324), (220, 325162), (367, 194920), (440, 162581), (443, 161480), (734, 97460), (886, 80740), (1468, 48730), (1772, 40370), (1835, 38984), (2215, 32296), (2936, 24365), (3544, 20185), (3670, 19492), (4037, 17720), (4430, 16148), (4873, 14680), (7340, 9746), (8074, 8860)]