1581277060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{31387}}^1$

素因数の和:31636

約数の個数: 48

約数和(自身を含む): 3638496960

約数和(自身を除く): 2057219900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 458, 916, 1145, 2290, 2519, 4580, 5038, 10076, 12595, 25190, 31387, 50380, 62774, 125548, 156935, 313870, 345257, 627740, 690514, 1381028, 1726285, 3452570, 6905140, 7187623, 14375246, 28750492, 35938115, 71876230, 79063853, 143752460, 158127706, 316255412, 395319265, 790638530, 1581277060]

約数ペア:

[(1, 1581277060), (2, 790638530), (4, 395319265), (5, 316255412), (10, 158127706), (11, 143752460), (20, 79063853), (22, 71876230), (44, 35938115), (55, 28750492), (110, 14375246), (220, 7187623), (229, 6905140), (458, 3452570), (916, 1726285), (1145, 1381028), (2290, 690514), (2519, 627740), (4580, 345257), (5038, 313870), (10076, 156935), (12595, 125548), (25190, 62774), (31387, 50380)]