261225780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{5303}}^1$

素因数の和:6136

約数の個数: 48

約数和(自身を含む): 732461184

約数和(自身を除く): 471235404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 821, 1642, 2463, 3284, 4105, 4926, 5303, 8210, 9852, 10606, 12315, 15909, 16420, 21212, 24630, 26515, 31818, 49260, 53030, 63636, 79545, 106060, 159090, 318180, 4353763, 8707526, 13061289, 17415052, 21768815, 26122578, 43537630, 52245156, 65306445, 87075260, 130612890, 261225780]

約数ペア:

[(1, 261225780), (2, 130612890), (3, 87075260), (4, 65306445), (5, 52245156), (6, 43537630), (10, 26122578), (12, 21768815), (15, 17415052), (20, 13061289), (30, 8707526), (60, 4353763), (821, 318180), (1642, 159090), (2463, 106060), (3284, 79545), (4105, 63636), (4926, 53030), (5303, 49260), (8210, 31818), (9852, 26515), (10606, 24630), (12315, 21212), (15909, 16420)]