158207720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359563}}^1$

素因数の和:359585

約数の個数: 32

約数和(自身を含む): 388329120

約数和(自身を除く): 230121400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 359563, 719126, 1438252, 1797815, 2876504, 3595630, 3955193, 7191260, 7910386, 14382520, 15820772, 19775965, 31641544, 39551930, 79103860, 158207720]

約数ペア:

[(1, 158207720), (2, 79103860), (4, 39551930), (5, 31641544), (8, 19775965), (10, 15820772), (11, 14382520), (20, 7910386), (22, 7191260), (40, 3955193), (44, 3595630), (55, 2876504), (88, 1797815), (110, 1438252), (220, 719126), (440, 359563)]