128942010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{997}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 344908800

約数和(自身を除く): 215966790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 479, 958, 997, 1437, 1994, 2395, 2874, 2991, 4311, 4790, 4985, 5982, 7185, 8622, 8973, 9970, 12933, 14370, 14955, 17946, 21555, 25866, 26919, 29910, 43110, 44865, 53838, 64665, 89730, 129330, 134595, 269190, 477563, 955126, 1432689, 2387815, 2865378, 4298067, 4775630, 7163445, 8596134, 12894201, 14326890, 21490335, 25788402, 42980670, 64471005, 128942010]

約数ペア:

[(1, 128942010), (2, 64471005), (3, 42980670), (5, 25788402), (6, 21490335), (9, 14326890), (10, 12894201), (15, 8596134), (18, 7163445), (27, 4775630), (30, 4298067), (45, 2865378), (54, 2387815), (90, 1432689), (135, 955126), (270, 477563), (479, 269190), (958, 134595), (997, 129330), (1437, 89730), (1994, 64665), (2395, 53838), (2874, 44865), (2991, 43110), (4311, 29910), (4790, 26919), (4985, 25866), (5982, 21555), (7185, 17946), (8622, 14955), (8973, 14370), (9970, 12933)]