12686280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 38620800

約数和(自身を除く): 25934520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1489, 1704, 2130, 2840, 2978, 4260, 4467, 5956, 7445, 8520, 8934, 11912, 14890, 17868, 22335, 29780, 35736, 44670, 59560, 89340, 105719, 178680, 211438, 317157, 422876, 528595, 634314, 845752, 1057190, 1268628, 1585785, 2114380, 2537256, 3171570, 4228760, 6343140, 12686280]

約数ペア:

[(1, 12686280), (2, 6343140), (3, 4228760), (4, 3171570), (5, 2537256), (6, 2114380), (8, 1585785), (10, 1268628), (12, 1057190), (15, 845752), (20, 634314), (24, 528595), (30, 422876), (40, 317157), (60, 211438), (71, 178680), (120, 105719), (142, 89340), (213, 59560), (284, 44670), (355, 35736), (426, 29780), (568, 22335), (710, 17868), (852, 14890), (1065, 11912), (1420, 8934), (1489, 8520), (1704, 7445), (2130, 5956), (2840, 4467), (2978, 4260)]