81962220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4127}}^1$

素因数の和:4470

約数の個数: 48

約数和(自身を含む): 230243328

約数和(自身を除く): 148281108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 993, 1324, 1655, 1986, 3310, 3972, 4127, 4965, 6620, 8254, 9930, 12381, 16508, 19860, 20635, 24762, 41270, 49524, 61905, 82540, 123810, 247620, 1366037, 2732074, 4098111, 5464148, 6830185, 8196222, 13660370, 16392444, 20490555, 27320740, 40981110, 81962220]

約数ペア:

[(1, 81962220), (2, 40981110), (3, 27320740), (4, 20490555), (5, 16392444), (6, 13660370), (10, 8196222), (12, 6830185), (15, 5464148), (20, 4098111), (30, 2732074), (60, 1366037), (331, 247620), (662, 123810), (993, 82540), (1324, 61905), (1655, 49524), (1986, 41270), (3310, 24762), (3972, 20635), (4127, 19860), (4965, 16508), (6620, 12381), (8254, 9930)]