28557780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4621}}^1$

素因数の和:4736

約数の個数: 48

約数和(自身を含む): 80755584

約数和(自身を除く): 52197804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 4621, 6180, 9242, 13863, 18484, 23105, 27726, 46210, 55452, 69315, 92420, 138630, 277260, 475963, 951926, 1427889, 1903852, 2379815, 2855778, 4759630, 5711556, 7139445, 9519260, 14278890, 28557780]

約数ペア:

[(1, 28557780), (2, 14278890), (3, 9519260), (4, 7139445), (5, 5711556), (6, 4759630), (10, 2855778), (12, 2379815), (15, 1903852), (20, 1427889), (30, 951926), (60, 475963), (103, 277260), (206, 138630), (309, 92420), (412, 69315), (515, 55452), (618, 46210), (1030, 27726), (1236, 23105), (1545, 18484), (2060, 13863), (3090, 9242), (4621, 6180)]