405331380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2251841}}^1$

素因数の和:2251856

約数の個数: 36

約数和(自身を含む): 1229505732

約数和(自身を除く): 824174352

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2251841, 4503682, 6755523, 9007364, 11259205, 13511046, 20266569, 22518410, 27022092, 33777615, 40533138, 45036820, 67555230, 81066276, 101332845, 135110460, 202665690, 405331380]

約数ペア:

[(1, 405331380), (2, 202665690), (3, 135110460), (4, 101332845), (5, 81066276), (6, 67555230), (9, 45036820), (10, 40533138), (12, 33777615), (15, 27022092), (18, 22518410), (20, 20266569), (30, 13511046), (36, 11259205), (45, 9007364), (60, 6755523), (90, 4503682), (180, 2251841)]