6643140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{15817}}^1$

素因数の和:15836

約数の個数: 48

約数和(自身を含む): 21259392

約数和(自身を除く): 14616252

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, 15817, 31634, 47451, 63268, 79085, 94902, 110719, 158170, 189804, 221438, 237255, 316340, 332157, 442876, 474510, 553595, 664314, 949020, 1107190, 1328628, 1660785, 2214380, 3321570, 6643140]

約数ペア:

[(1, 6643140), (2, 3321570), (3, 2214380), (4, 1660785), (5, 1328628), (6, 1107190), (7, 949020), (10, 664314), (12, 553595), (14, 474510), (15, 442876), (20, 332157), (21, 316340), (28, 237255), (30, 221438), (35, 189804), (42, 158170), (60, 110719), (70, 94902), (84, 79085), (105, 63268), (140, 47451), (210, 31634), (420, 15817)]