70991820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2179}}^1$

素因数の和:2375

約数の個数: 72

約数和(自身を含む): 216630960

約数和(自身を除く): 145639140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2179, 2715, 3258, 3620, 4358, 5430, 6516, 6537, 8145, 8716, 10860, 10895, 13074, 16290, 19611, 21790, 26148, 32580, 32685, 39222, 43580, 65370, 78444, 98055, 130740, 196110, 392220, 394399, 788798, 1183197, 1577596, 1971995, 2366394, 3549591, 3943990, 4732788, 5915985, 7099182, 7887980, 11831970, 14198364, 17747955, 23663940, 35495910, 70991820]

約数ペア:

[(1, 70991820), (2, 35495910), (3, 23663940), (4, 17747955), (5, 14198364), (6, 11831970), (9, 7887980), (10, 7099182), (12, 5915985), (15, 4732788), (18, 3943990), (20, 3549591), (30, 2366394), (36, 1971995), (45, 1577596), (60, 1183197), (90, 788798), (180, 394399), (181, 392220), (362, 196110), (543, 130740), (724, 98055), (905, 78444), (1086, 65370), (1629, 43580), (1810, 39222), (2172, 32685), (2179, 32580), (2715, 26148), (3258, 21790), (3620, 19611), (4358, 16290), (5430, 13074), (6516, 10895), (6537, 10860), (8145, 8716)]