15115620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19379}}^1$

素因数の和:19404

約数の個数: 48

約数和(自身を含む): 45581760

約数和(自身を除く): 30466140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19379, 38758, 58137, 77516, 96895, 116274, 193790, 232548, 251927, 290685, 387580, 503854, 581370, 755781, 1007708, 1162740, 1259635, 1511562, 2519270, 3023124, 3778905, 5038540, 7557810, 15115620]

約数ペア:

[(1, 15115620), (2, 7557810), (3, 5038540), (4, 3778905), (5, 3023124), (6, 2519270), (10, 1511562), (12, 1259635), (13, 1162740), (15, 1007708), (20, 755781), (26, 581370), (30, 503854), (39, 387580), (52, 290685), (60, 251927), (65, 232548), (78, 193790), (130, 116274), (156, 96895), (195, 77516), (260, 58137), (390, 38758), (780, 19379)]