68385420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2099}}^1$

素因数の和:2295

約数の個数: 72

約数和(自身を含む): 208681200

約数和(自身を除く): 140295780

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, 2099, 2172, 2715, 3258, 3620, 4198, 5430, 6297, 6516, 8145, 8396, 10495, 10860, 12594, 16290, 18891, 20990, 25188, 31485, 32580, 37782, 41980, 62970, 75564, 94455, 125940, 188910, 377820, 379919, 759838, 1139757, 1519676, 1899595, 2279514, 3419271, 3799190, 4559028, 5698785, 6838542, 7598380, 11397570, 13677084, 17096355, 22795140, 34192710, 68385420]

約数ペア:

[(1, 68385420), (2, 34192710), (3, 22795140), (4, 17096355), (5, 13677084), (6, 11397570), (9, 7598380), (10, 6838542), (12, 5698785), (15, 4559028), (18, 3799190), (20, 3419271), (30, 2279514), (36, 1899595), (45, 1519676), (60, 1139757), (90, 759838), (180, 379919), (181, 377820), (362, 188910), (543, 125940), (724, 94455), (905, 75564), (1086, 62970), (1629, 41980), (1810, 37782), (2099, 32580), (2172, 31485), (2715, 25188), (3258, 20990), (3620, 18891), (4198, 16290), (5430, 12594), (6297, 10860), (6516, 10495), (8145, 8396)]