13111980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31219}}^1$

素因数の和:31238

約数の個数: 48

約数和(自身を含む): 41959680

約数和(自身を除く): 28847700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 31219, 62438, 93657, 124876, 156095, 187314, 218533, 312190, 374628, 437066, 468285, 624380, 655599, 874132, 936570, 1092665, 1311198, 1873140, 2185330, 2622396, 3277995, 4370660, 6555990, 13111980]

約数ペア:

[(1, 13111980), (2, 6555990), (3, 4370660), (4, 3277995), (5, 2622396), (6, 2185330), (7, 1873140), (10, 1311198), (12, 1092665), (14, 936570), (15, 874132), (20, 655599), (21, 624380), (28, 468285), (30, 437066), (35, 374628), (42, 312190), (60, 218533), (70, 187314), (84, 156095), (105, 124876), (140, 93657), (210, 62438), (420, 31219)]