209253780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{129169}}^1$

素因数の和:129190

約数の個数: 60

約数和(自身を含む): 656441940

約数和(自身を除く): 447188160

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 129169, 258338, 387507, 516676, 645845, 775014, 1162521, 1291690, 1550028, 1937535, 2325042, 2583380, 3487563, 3875070, 4650084, 5812605, 6975126, 7750140, 10462689, 11625210, 13950252, 17437815, 20925378, 23250420, 34875630, 41850756, 52313445, 69751260, 104626890, 209253780]

約数ペア:

[(1, 209253780), (2, 104626890), (3, 69751260), (4, 52313445), (5, 41850756), (6, 34875630), (9, 23250420), (10, 20925378), (12, 17437815), (15, 13950252), (18, 11625210), (20, 10462689), (27, 7750140), (30, 6975126), (36, 5812605), (45, 4650084), (54, 3875070), (60, 3487563), (81, 2583380), (90, 2325042), (108, 1937535), (135, 1550028), (162, 1291690), (180, 1162521), (270, 775014), (324, 645845), (405, 516676), (540, 387507), (810, 258338), (1620, 129169)]