28365720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{236381}}^1$

素因数の和:236395

約数の個数: 32

約数和(自身を含む): 85097520

約数和(自身を除く): 56731800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 236381, 472762, 709143, 945524, 1181905, 1418286, 1891048, 2363810, 2836572, 3545715, 4727620, 5673144, 7091430, 9455240, 14182860, 28365720]

約数ペア:

[(1, 28365720), (2, 14182860), (3, 9455240), (4, 7091430), (5, 5673144), (6, 4727620), (8, 3545715), (10, 2836572), (12, 2363810), (15, 1891048), (20, 1418286), (24, 1181905), (30, 945524), (40, 709143), (60, 472762), (120, 236381)]