219664020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{7027}}^1$

素因数の和:7560

約数の個数: 48

約数和(自身を含む): 616327488

約数和(自身を除く): 396663468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 1042, 1563, 2084, 2605, 3126, 5210, 6252, 7027, 7815, 10420, 14054, 15630, 21081, 28108, 31260, 35135, 42162, 70270, 84324, 105405, 140540, 210810, 421620, 3661067, 7322134, 10983201, 14644268, 18305335, 21966402, 36610670, 43932804, 54916005, 73221340, 109832010, 219664020]

約数ペア:

[(1, 219664020), (2, 109832010), (3, 73221340), (4, 54916005), (5, 43932804), (6, 36610670), (10, 21966402), (12, 18305335), (15, 14644268), (20, 10983201), (30, 7322134), (60, 3661067), (521, 421620), (1042, 210810), (1563, 140540), (2084, 105405), (2605, 84324), (3126, 70270), (5210, 42162), (6252, 35135), (7027, 31260), (7815, 28108), (10420, 21081), (14054, 15630)]