206985840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{862441}}^1$

素因数の和:862457

約数の個数: 40

約数和(自身を含む): 641656848

約数和(自身を除く): 434671008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 862441, 1724882, 2587323, 3449764, 4312205, 5174646, 6899528, 8624410, 10349292, 12936615, 13799056, 17248820, 20698584, 25873230, 34497640, 41397168, 51746460, 68995280, 103492920, 206985840]

約数ペア:

[(1, 206985840), (2, 103492920), (3, 68995280), (4, 51746460), (5, 41397168), (6, 34497640), (8, 25873230), (10, 20698584), (12, 17248820), (15, 13799056), (16, 12936615), (20, 10349292), (24, 8624410), (30, 6899528), (40, 5174646), (48, 4312205), (60, 3449764), (80, 2587323), (120, 1724882), (240, 862441)]