7899780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{2687}}^1$

素因数の和:2713

約数の個数: 72

約数和(自身を含む): 25740288

約数和(自身を除く): 17840508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2687, 2940, 5374, 8061, 10748, 13435, 16122, 18809, 26870, 32244, 37618, 40305, 53740, 56427, 75236, 80610, 94045, 112854, 131663, 161220, 188090, 225708, 263326, 282135, 376180, 394989, 526652, 564270, 658315, 789978, 1128540, 1316630, 1579956, 1974945, 2633260, 3949890, 7899780]

約数ペア:

[(1, 7899780), (2, 3949890), (3, 2633260), (4, 1974945), (5, 1579956), (6, 1316630), (7, 1128540), (10, 789978), (12, 658315), (14, 564270), (15, 526652), (20, 394989), (21, 376180), (28, 282135), (30, 263326), (35, 225708), (42, 188090), (49, 161220), (60, 131663), (70, 112854), (84, 94045), (98, 80610), (105, 75236), (140, 56427), (147, 53740), (196, 40305), (210, 37618), (245, 32244), (294, 26870), (420, 18809), (490, 16122), (588, 13435), (735, 10748), (980, 8061), (1470, 5374), (2687, 2940)]