28505640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{237547}}^1$

素因数の和:237561

約数の個数: 32

約数和(自身を含む): 85517280

約数和(自身を除く): 57011640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 237547, 475094, 712641, 950188, 1187735, 1425282, 1900376, 2375470, 2850564, 3563205, 4750940, 5701128, 7126410, 9501880, 14252820, 28505640]

約数ペア:

[(1, 28505640), (2, 14252820), (3, 9501880), (4, 7126410), (5, 5701128), (6, 4750940), (8, 3563205), (10, 2850564), (12, 2375470), (15, 1900376), (20, 1425282), (24, 1187735), (30, 950188), (40, 712641), (60, 475094), (120, 237547)]