65671740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{919}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 199923360

約数和(自身を除く): 134251620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 919, 1191, 1588, 1838, 1985, 2382, 2757, 3573, 3676, 3970, 4595, 4764, 5514, 5955, 7146, 7940, 8271, 9190, 11028, 11910, 13785, 14292, 16542, 17865, 18380, 23820, 27570, 33084, 35730, 41355, 55140, 71460, 82710, 165420, 364843, 729686, 1094529, 1459372, 1824215, 2189058, 3283587, 3648430, 4378116, 5472645, 6567174, 7296860, 10945290, 13134348, 16417935, 21890580, 32835870, 65671740]

約数ペア:

[(1, 65671740), (2, 32835870), (3, 21890580), (4, 16417935), (5, 13134348), (6, 10945290), (9, 7296860), (10, 6567174), (12, 5472645), (15, 4378116), (18, 3648430), (20, 3283587), (30, 2189058), (36, 1824215), (45, 1459372), (60, 1094529), (90, 729686), (180, 364843), (397, 165420), (794, 82710), (919, 71460), (1191, 55140), (1588, 41355), (1838, 35730), (1985, 33084), (2382, 27570), (2757, 23820), (3573, 18380), (3676, 17865), (3970, 16542), (4595, 14292), (4764, 13785), (5514, 11910), (5955, 11028), (7146, 9190), (7940, 8271)]