180913740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{430747}}^1$

素因数の和:430766

約数の個数: 48

約数和(自身を含む): 578925312

約数和(自身を除く): 398011572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 430747, 861494, 1292241, 1722988, 2153735, 2584482, 3015229, 4307470, 5168964, 6030458, 6461205, 8614940, 9045687, 12060916, 12922410, 15076145, 18091374, 25844820, 30152290, 36182748, 45228435, 60304580, 90456870, 180913740]

約数ペア:

[(1, 180913740), (2, 90456870), (3, 60304580), (4, 45228435), (5, 36182748), (6, 30152290), (7, 25844820), (10, 18091374), (12, 15076145), (14, 12922410), (15, 12060916), (20, 9045687), (21, 8614940), (28, 6461205), (30, 6030458), (35, 5168964), (42, 4307470), (60, 3015229), (70, 2584482), (84, 2153735), (105, 1722988), (140, 1292241), (210, 861494), (420, 430747)]