81209220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1353487}}^1$

素因数の和:1353499

約数の個数: 24

約数和(自身を含む): 227385984

約数和(自身を除く): 146176764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1353487, 2706974, 4060461, 5413948, 6767435, 8120922, 13534870, 16241844, 20302305, 27069740, 40604610, 81209220]

約数ペア:

[(1, 81209220), (2, 40604610), (3, 27069740), (4, 20302305), (5, 16241844), (6, 13534870), (10, 8120922), (12, 6767435), (15, 5413948), (20, 4060461), (30, 2706974), (60, 1353487)]