8281620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 25378080

約数和(自身を除く): 17096460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 331, 417, 556, 662, 695, 834, 993, 1251, 1324, 1390, 1655, 1668, 1986, 2085, 2502, 2780, 2979, 3310, 3972, 4170, 4965, 5004, 5958, 6255, 6620, 8340, 9930, 11916, 12510, 14895, 19860, 25020, 29790, 46009, 59580, 92018, 138027, 184036, 230045, 276054, 414081, 460090, 552108, 690135, 828162, 920180, 1380270, 1656324, 2070405, 2760540, 4140810, 8281620]

約数ペア:

[(1, 8281620), (2, 4140810), (3, 2760540), (4, 2070405), (5, 1656324), (6, 1380270), (9, 920180), (10, 828162), (12, 690135), (15, 552108), (18, 460090), (20, 414081), (30, 276054), (36, 230045), (45, 184036), (60, 138027), (90, 92018), (139, 59580), (180, 46009), (278, 29790), (331, 25020), (417, 19860), (556, 14895), (662, 12510), (695, 11916), (834, 9930), (993, 8340), (1251, 6620), (1324, 6255), (1390, 5958), (1655, 5004), (1668, 4965), (1986, 4170), (2085, 3972), (2502, 3310), (2780, 2979)]