78814920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{656791}}^1$

素因数の和:656805

約数の個数: 32

約数和(自身を含む): 236445120

約数和(自身を除く): 157630200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 656791, 1313582, 1970373, 2627164, 3283955, 3940746, 5254328, 6567910, 7881492, 9851865, 13135820, 15762984, 19703730, 26271640, 39407460, 78814920]

約数ペア:

[(1, 78814920), (2, 39407460), (3, 26271640), (4, 19703730), (5, 15762984), (6, 13135820), (8, 9851865), (10, 7881492), (12, 6567910), (15, 5254328), (20, 3940746), (24, 3283955), (30, 2627164), (40, 1970373), (60, 1313582), (120, 656791)]