90378160

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1831}}^1$

素因数の和:2461

約数の個数: 40

約数和(自身を含む): 210584736

約数和(自身を除く): 120206576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1234, 1831, 2468, 3085, 3662, 4936, 6170, 7324, 9155, 9872, 12340, 14648, 18310, 24680, 29296, 36620, 49360, 73240, 146480, 1129727, 2259454, 4518908, 5648635, 9037816, 11297270, 18075632, 22594540, 45189080, 90378160]

約数ペア:

[(1, 90378160), (2, 45189080), (4, 22594540), (5, 18075632), (8, 11297270), (10, 9037816), (16, 5648635), (20, 4518908), (40, 2259454), (80, 1129727), (617, 146480), (1234, 73240), (1831, 49360), (2468, 36620), (3085, 29296), (3662, 24680), (4936, 18310), (6170, 14648), (7324, 12340), (9155, 9872)]