1208220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 3645600

約数和(自身を除く): 2437380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1549, 3098, 4647, 6196, 7745, 9294, 15490, 18588, 20137, 23235, 30980, 40274, 46470, 60411, 80548, 92940, 100685, 120822, 201370, 241644, 302055, 402740, 604110, 1208220]

約数ペア:

[(1, 1208220), (2, 604110), (3, 402740), (4, 302055), (5, 241644), (6, 201370), (10, 120822), (12, 100685), (13, 92940), (15, 80548), (20, 60411), (26, 46470), (30, 40274), (39, 30980), (52, 23235), (60, 20137), (65, 18588), (78, 15490), (130, 9294), (156, 7745), (195, 6196), (260, 4647), (390, 3098), (780, 1549)]