217291260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{3621521}}^1$

素因数の和:3621533

約数の個数: 24

約数和(自身を含む): 608415696

約数和(自身を除く): 391124436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3621521, 7243042, 10864563, 14486084, 18107605, 21729126, 36215210, 43458252, 54322815, 72430420, 108645630, 217291260]

約数ペア:

[(1, 217291260), (2, 108645630), (3, 72430420), (4, 54322815), (5, 43458252), (6, 36215210), (10, 21729126), (12, 18107605), (15, 14486084), (20, 10864563), (30, 7243042), (60, 3621521)]