78628020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1310467}}^1$

素因数の和:1310479

約数の個数: 24

約数和(自身を含む): 220158624

約数和(自身を除く): 141530604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1310467, 2620934, 3931401, 5241868, 6552335, 7862802, 13104670, 15725604, 19657005, 26209340, 39314010, 78628020]

約数ペア:

[(1, 78628020), (2, 39314010), (3, 26209340), (4, 19657005), (5, 15725604), (6, 13104670), (10, 7862802), (12, 6552335), (15, 5241868), (20, 3931401), (30, 2620934), (60, 1310467)]