128664180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{238267}}^1$

素因数の和:238285

約数の個数: 48

約数和(自身を含む): 400290240

約数和(自身を除く): 271626060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 238267, 476534, 714801, 953068, 1191335, 1429602, 2144403, 2382670, 2859204, 3574005, 4288806, 4765340, 6433209, 7148010, 8577612, 10722015, 12866418, 14296020, 21444030, 25732836, 32166045, 42888060, 64332090, 128664180]

約数ペア:

[(1, 128664180), (2, 64332090), (3, 42888060), (4, 32166045), (5, 25732836), (6, 21444030), (9, 14296020), (10, 12866418), (12, 10722015), (15, 8577612), (18, 7148010), (20, 6433209), (27, 4765340), (30, 4288806), (36, 3574005), (45, 2859204), (54, 2382670), (60, 2144403), (90, 1429602), (108, 1191335), (135, 953068), (180, 714801), (270, 476534), (540, 238267)]