66539280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{277247}}^1$

素因数の和:277263

約数の個数: 40

約数和(自身を含む): 206272512

約数和(自身を除く): 139733232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 277247, 554494, 831741, 1108988, 1386235, 1663482, 2217976, 2772470, 3326964, 4158705, 4435952, 5544940, 6653928, 8317410, 11089880, 13307856, 16634820, 22179760, 33269640, 66539280]

約数ペア:

[(1, 66539280), (2, 33269640), (3, 22179760), (4, 16634820), (5, 13307856), (6, 11089880), (8, 8317410), (10, 6653928), (12, 5544940), (15, 4435952), (16, 4158705), (20, 3326964), (24, 2772470), (30, 2217976), (40, 1663482), (48, 1386235), (60, 1108988), (80, 831741), (120, 554494), (240, 277247)]