255575340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1619}}^1$

素因数の和:2511

約数の個数: 72

約数和(自身を含む): 776608560

約数和(自身を除く): 521033220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 877, 1619, 1754, 2631, 3238, 3508, 4385, 4857, 5262, 6476, 7893, 8095, 8770, 9714, 10524, 13155, 14571, 15786, 16190, 17540, 19428, 24285, 26310, 29142, 31572, 32380, 39465, 48570, 52620, 58284, 72855, 78930, 97140, 145710, 157860, 291420, 1419863, 2839726, 4259589, 5679452, 7099315, 8519178, 12778767, 14198630, 17038356, 21297945, 25557534, 28397260, 42595890, 51115068, 63893835, 85191780, 127787670, 255575340]

約数ペア:

[(1, 255575340), (2, 127787670), (3, 85191780), (4, 63893835), (5, 51115068), (6, 42595890), (9, 28397260), (10, 25557534), (12, 21297945), (15, 17038356), (18, 14198630), (20, 12778767), (30, 8519178), (36, 7099315), (45, 5679452), (60, 4259589), (90, 2839726), (180, 1419863), (877, 291420), (1619, 157860), (1754, 145710), (2631, 97140), (3238, 78930), (3508, 72855), (4385, 58284), (4857, 52620), (5262, 48570), (6476, 39465), (7893, 32380), (8095, 31572), (8770, 29142), (9714, 26310), (10524, 24285), (13155, 19428), (14571, 17540), (15786, 16190)]