215812360

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{80527}}^1$

素因数の和:80605

約数の個数: 32

約数和(自身を含む): 492831360

約数和(自身を除く): 277019000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 80527, 161054, 322108, 402635, 644216, 805270, 1610540, 3221080, 5395309, 10790618, 21581236, 26976545, 43162472, 53953090, 107906180, 215812360]

約数ペア:

[(1, 215812360), (2, 107906180), (4, 53953090), (5, 43162472), (8, 26976545), (10, 21581236), (20, 10790618), (40, 5395309), (67, 3221080), (134, 1610540), (268, 805270), (335, 644216), (536, 402635), (670, 322108), (1340, 161054), (2680, 80527)]