15761180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12919}}^1$

素因数の和:12989

約数の個数: 24

約数和(自身を含む): 33643680

約数和(自身を除く): 17882500

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 12919, 25838, 51676, 64595, 129190, 258380, 788059, 1576118, 3152236, 3940295, 7880590, 15761180]

約数ペア:

[(1, 15761180), (2, 7880590), (4, 3940295), (5, 3152236), (10, 1576118), (20, 788059), (61, 258380), (122, 129190), (244, 64595), (305, 51676), (610, 25838), (1220, 12919)]