28509720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{237581}}^1$

素因数の和:237595

約数の個数: 32

約数和(自身を含む): 85529520

約数和(自身を除く): 57019800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 237581, 475162, 712743, 950324, 1187905, 1425486, 1900648, 2375810, 2850972, 3563715, 4751620, 5701944, 7127430, 9503240, 14254860, 28509720]

約数ペア:

[(1, 28509720), (2, 14254860), (3, 9503240), (4, 7127430), (5, 5701944), (6, 4751620), (8, 3563715), (10, 2850972), (12, 2375810), (15, 1900648), (20, 1425486), (24, 1187905), (30, 950324), (40, 712743), (60, 475162), (120, 237581)]