18405480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{153379}}^1$

素因数の和:153393

約数の個数: 32

約数和(自身を含む): 55216800

約数和(自身を除く): 36811320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 153379, 306758, 460137, 613516, 766895, 920274, 1227032, 1533790, 1840548, 2300685, 3067580, 3681096, 4601370, 6135160, 9202740, 18405480]

約数ペア:

[(1, 18405480), (2, 9202740), (3, 6135160), (4, 4601370), (5, 3681096), (6, 3067580), (8, 2300685), (10, 1840548), (12, 1533790), (15, 1227032), (20, 920274), (24, 766895), (30, 613516), (40, 460137), (60, 306758), (120, 153379)]