311008020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{19709}}^1$

素因数の和:19984

約数の個数: 48

約数和(自身を含む): 874177920

約数和(自身を除く): 563169900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1052, 1315, 1578, 2630, 3156, 3945, 5260, 7890, 15780, 19709, 39418, 59127, 78836, 98545, 118254, 197090, 236508, 295635, 394180, 591270, 1182540, 5183467, 10366934, 15550401, 20733868, 25917335, 31100802, 51834670, 62201604, 77752005, 103669340, 155504010, 311008020]

約数ペア:

[(1, 311008020), (2, 155504010), (3, 103669340), (4, 77752005), (5, 62201604), (6, 51834670), (10, 31100802), (12, 25917335), (15, 20733868), (20, 15550401), (30, 10366934), (60, 5183467), (263, 1182540), (526, 591270), (789, 394180), (1052, 295635), (1315, 236508), (1578, 197090), (2630, 118254), (3156, 98545), (3945, 78836), (5260, 59127), (7890, 39418), (15780, 19709)]