218575020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{84719}}^1$

素因数の和:84774

約数の個数: 48

約数和(自身を含む): 626250240

約数和(自身を除く): 407675220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 84719, 169438, 254157, 338876, 423595, 508314, 847190, 1016628, 1270785, 1694380, 2541570, 3642917, 5083140, 7285834, 10928751, 14571668, 18214585, 21857502, 36429170, 43715004, 54643755, 72858340, 109287510, 218575020]

約数ペア:

[(1, 218575020), (2, 109287510), (3, 72858340), (4, 54643755), (5, 43715004), (6, 36429170), (10, 21857502), (12, 18214585), (15, 14571668), (20, 10928751), (30, 7285834), (43, 5083140), (60, 3642917), (86, 2541570), (129, 1694380), (172, 1270785), (215, 1016628), (258, 847190), (430, 508314), (516, 423595), (645, 338876), (860, 254157), (1290, 169438), (2580, 84719)]