1855020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 3467220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 719, 860, 1290, 1438, 2157, 2580, 2876, 3595, 4314, 7190, 8628, 10785, 14380, 21570, 30917, 43140, 61834, 92751, 123668, 154585, 185502, 309170, 371004, 463755, 618340, 927510, 1855020]

約数ペア:

[(1, 1855020), (2, 927510), (3, 618340), (4, 463755), (5, 371004), (6, 309170), (10, 185502), (12, 154585), (15, 123668), (20, 92751), (30, 61834), (43, 43140), (60, 30917), (86, 21570), (129, 14380), (172, 10785), (215, 8628), (258, 7190), (430, 4314), (516, 3595), (645, 2876), (719, 2580), (860, 2157), (1290, 1438)]