81958740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1365979}}^1$

素因数の和:1365991

約数の個数: 24

約数和(自身を含む): 229484640

約数和(自身を除く): 147525900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1365979, 2731958, 4097937, 5463916, 6829895, 8195874, 13659790, 16391748, 20489685, 27319580, 40979370, 81958740]

約数ペア:

[(1, 81958740), (2, 40979370), (3, 27319580), (4, 20489685), (5, 16391748), (6, 13659790), (10, 8195874), (12, 6829895), (15, 5463916), (20, 4097937), (30, 2731958), (60, 1365979)]