281347380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1563041}}^1$

素因数の和:1563056

約数の個数: 36

約数和(自身を含む): 853420932

約数和(自身を除く): 572073552

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1563041, 3126082, 4689123, 6252164, 7815205, 9378246, 14067369, 15630410, 18756492, 23445615, 28134738, 31260820, 46891230, 56269476, 70336845, 93782460, 140673690, 281347380]

約数ペア:

[(1, 281347380), (2, 140673690), (3, 93782460), (4, 70336845), (5, 56269476), (6, 46891230), (9, 31260820), (10, 28134738), (12, 23445615), (15, 18756492), (18, 15630410), (20, 14067369), (30, 9378246), (36, 7815205), (45, 6252164), (60, 4689123), (90, 3126082), (180, 1563041)]