78815280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{328397}}^1$

素因数の和:328413

約数の個数: 40

約数和(自身を含む): 244328112

約数和(自身を除く): 165512832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 328397, 656794, 985191, 1313588, 1641985, 1970382, 2627176, 3283970, 3940764, 4925955, 5254352, 6567940, 7881528, 9851910, 13135880, 15763056, 19703820, 26271760, 39407640, 78815280]

約数ペア:

[(1, 78815280), (2, 39407640), (3, 26271760), (4, 19703820), (5, 15763056), (6, 13135880), (8, 9851910), (10, 7881528), (12, 6567940), (15, 5254352), (16, 4925955), (20, 3940764), (24, 3283970), (30, 2627176), (40, 1970382), (48, 1641985), (60, 1313588), (80, 985191), (120, 656794), (240, 328397)]