81678270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{9689}}^1$

素因数の和:9980

約数の個数: 32

約数和(自身を含む): 196745760

約数和(自身を除く): 115067490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 281, 562, 843, 1405, 1686, 2810, 4215, 8430, 9689, 19378, 29067, 48445, 58134, 96890, 145335, 290670, 2722609, 5445218, 8167827, 13613045, 16335654, 27226090, 40839135, 81678270]

約数ペア:

[(1, 81678270), (2, 40839135), (3, 27226090), (5, 16335654), (6, 13613045), (10, 8167827), (15, 5445218), (30, 2722609), (281, 290670), (562, 145335), (843, 96890), (1405, 58134), (1686, 48445), (2810, 29067), (4215, 19378), (8430, 9689)]