155015960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{352309}}^1$

素因数の和:352331

約数の個数: 32

約数和(自身を含む): 380494800

約数和(自身を除く): 225478840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 352309, 704618, 1409236, 1761545, 2818472, 3523090, 3875399, 7046180, 7750798, 14092360, 15501596, 19376995, 31003192, 38753990, 77507980, 155015960]

約数ペア:

[(1, 155015960), (2, 77507980), (4, 38753990), (5, 31003192), (8, 19376995), (10, 15501596), (11, 14092360), (20, 7750798), (22, 7046180), (40, 3875399), (44, 3523090), (55, 2818472), (88, 1761545), (110, 1409236), (220, 704618), (440, 352309)]