644340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{10739}}^1$

素因数の和:10751

約数の個数: 24

約数和(自身を含む): 1804320

約数和(自身を除く): 1159980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 10739, 21478, 32217, 42956, 53695, 64434, 107390, 128868, 161085, 214780, 322170, 644340]

約数ペア:

[(1, 644340), (2, 322170), (3, 214780), (4, 161085), (5, 128868), (6, 107390), (10, 64434), (12, 53695), (15, 42956), (20, 32217), (30, 21478), (60, 10739)]