25788780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{15919}}^1$

素因数の和:15940

約数の個数: 60

約数和(自身を含む): 80905440

約数和(自身を除く): 55116660

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, 15919, 31838, 47757, 63676, 79595, 95514, 143271, 159190, 191028, 238785, 286542, 318380, 429813, 477570, 573084, 716355, 859626, 955140, 1289439, 1432710, 1719252, 2149065, 2578878, 2865420, 4298130, 5157756, 6447195, 8596260, 12894390, 25788780]

約数ペア:

[(1, 25788780), (2, 12894390), (3, 8596260), (4, 6447195), (5, 5157756), (6, 4298130), (9, 2865420), (10, 2578878), (12, 2149065), (15, 1719252), (18, 1432710), (20, 1289439), (27, 955140), (30, 859626), (36, 716355), (45, 573084), (54, 477570), (60, 429813), (81, 318380), (90, 286542), (108, 238785), (135, 191028), (162, 159190), (180, 143271), (270, 95514), (324, 79595), (405, 63676), (540, 47757), (810, 31838), (1620, 15919)]