61491260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 132575520

約数和(自身を除く): 71084260

約数列:

[1, 2, 4, 5, 10, 20, 67, 109, 134, 218, 268, 335, 421, 436, 545, 670, 842, 1090, 1340, 1684, 2105, 2180, 4210, 7303, 8420, 14606, 28207, 29212, 36515, 45889, 56414, 73030, 91778, 112828, 141035, 146060, 183556, 229445, 282070, 458890, 564140, 917780, 3074563, 6149126, 12298252, 15372815, 30745630, 61491260]

約数ペア:

[(1, 61491260), (2, 30745630), (4, 15372815), (5, 12298252), (10, 6149126), (20, 3074563), (67, 917780), (109, 564140), (134, 458890), (218, 282070), (268, 229445), (335, 183556), (421, 146060), (436, 141035), (545, 112828), (670, 91778), (842, 73030), (1090, 56414), (1340, 45889), (1684, 36515), (2105, 29212), (2180, 28207), (4210, 14606), (7303, 8420)]