3891540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 11047680

約数和(自身を除く): 7156140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 821, 948, 1185, 1580, 1642, 2370, 2463, 3284, 4105, 4740, 4926, 8210, 9852, 12315, 16420, 24630, 49260, 64859, 129718, 194577, 259436, 324295, 389154, 648590, 778308, 972885, 1297180, 1945770, 3891540]

約数ペア:

[(1, 3891540), (2, 1945770), (3, 1297180), (4, 972885), (5, 778308), (6, 648590), (10, 389154), (12, 324295), (15, 259436), (20, 194577), (30, 129718), (60, 64859), (79, 49260), (158, 24630), (237, 16420), (316, 12315), (395, 9852), (474, 8210), (790, 4926), (821, 4740), (948, 4105), (1185, 3284), (1580, 2463), (1642, 2370)]