161457560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{33359}}^1$

素因数の和:33392

約数の個数: 48

約数和(自身を含む): 399319200

約数和(自身を除く): 237861640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 33359, 66718, 133436, 166795, 266872, 333590, 366949, 667180, 733898, 1334360, 1467796, 1834745, 2935592, 3669490, 4036439, 7338980, 8072878, 14677960, 16145756, 20182195, 32291512, 40364390, 80728780, 161457560]

約数ペア:

[(1, 161457560), (2, 80728780), (4, 40364390), (5, 32291512), (8, 20182195), (10, 16145756), (11, 14677960), (20, 8072878), (22, 7338980), (40, 4036439), (44, 3669490), (55, 2935592), (88, 1834745), (110, 1467796), (121, 1334360), (220, 733898), (242, 667180), (440, 366949), (484, 333590), (605, 266872), (968, 166795), (1210, 133436), (2420, 66718), (4840, 33359)]