15911340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{521}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 44724960

約数和(自身を除く): 28813620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 509, 521, 1018, 1042, 1527, 1563, 2036, 2084, 2545, 2605, 3054, 3126, 5090, 5210, 6108, 6252, 7635, 7815, 10180, 10420, 15270, 15630, 30540, 31260, 265189, 530378, 795567, 1060756, 1325945, 1591134, 2651890, 3182268, 3977835, 5303780, 7955670, 15911340]

約数ペア:

[(1, 15911340), (2, 7955670), (3, 5303780), (4, 3977835), (5, 3182268), (6, 2651890), (10, 1591134), (12, 1325945), (15, 1060756), (20, 795567), (30, 530378), (60, 265189), (509, 31260), (521, 30540), (1018, 15630), (1042, 15270), (1527, 10420), (1563, 10180), (2036, 7815), (2084, 7635), (2545, 6252), (2605, 6108), (3054, 5210), (3126, 5090)]