90039420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11633}}^1$

素因数の和:11691

約数の個数: 72

約数和(自身を含む): 279495216

約数和(自身を除く): 189455796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 11633, 23266, 34899, 46532, 58165, 69798, 104697, 116330, 139596, 174495, 209394, 232660, 348990, 418788, 500219, 523485, 697980, 1000438, 1046970, 1500657, 2000876, 2093940, 2501095, 3001314, 4501971, 5002190, 6002628, 7503285, 9003942, 10004380, 15006570, 18007884, 22509855, 30013140, 45019710, 90039420]

約数ペア:

[(1, 90039420), (2, 45019710), (3, 30013140), (4, 22509855), (5, 18007884), (6, 15006570), (9, 10004380), (10, 9003942), (12, 7503285), (15, 6002628), (18, 5002190), (20, 4501971), (30, 3001314), (36, 2501095), (43, 2093940), (45, 2000876), (60, 1500657), (86, 1046970), (90, 1000438), (129, 697980), (172, 523485), (180, 500219), (215, 418788), (258, 348990), (387, 232660), (430, 209394), (516, 174495), (645, 139596), (774, 116330), (860, 104697), (1290, 69798), (1548, 58165), (1935, 46532), (2580, 34899), (3870, 23266), (7740, 11633)]