217173780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11069}}^1$

素因数の和:11193

約数の個数: 72

約数和(自身を含む): 664864200

約数和(自身を除く): 447690420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 11069, 19620, 22138, 33207, 44276, 55345, 66414, 99621, 110690, 132828, 166035, 199242, 221380, 332070, 398484, 498105, 664140, 996210, 1206521, 1992420, 2413042, 3619563, 4826084, 6032605, 7239126, 10858689, 12065210, 14478252, 18097815, 21717378, 24130420, 36195630, 43434756, 54293445, 72391260, 108586890, 217173780]

約数ペア:

[(1, 217173780), (2, 108586890), (3, 72391260), (4, 54293445), (5, 43434756), (6, 36195630), (9, 24130420), (10, 21717378), (12, 18097815), (15, 14478252), (18, 12065210), (20, 10858689), (30, 7239126), (36, 6032605), (45, 4826084), (60, 3619563), (90, 2413042), (109, 1992420), (180, 1206521), (218, 996210), (327, 664140), (436, 498105), (545, 398484), (654, 332070), (981, 221380), (1090, 199242), (1308, 166035), (1635, 132828), (1962, 110690), (2180, 99621), (3270, 66414), (3924, 55345), (4905, 44276), (6540, 33207), (9810, 22138), (11069, 19620)]