68825820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163871}}^1$

素因数の和:163890

約数の個数: 48

約数和(自身を含む): 220243968

約数和(自身を除く): 151418148

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, 163871, 327742, 491613, 655484, 819355, 983226, 1147097, 1638710, 1966452, 2294194, 2458065, 3277420, 3441291, 4588388, 4916130, 5735485, 6882582, 9832260, 11470970, 13765164, 17206455, 22941940, 34412910, 68825820]

約数ペア:

[(1, 68825820), (2, 34412910), (3, 22941940), (4, 17206455), (5, 13765164), (6, 11470970), (7, 9832260), (10, 6882582), (12, 5735485), (14, 4916130), (15, 4588388), (20, 3441291), (21, 3277420), (28, 2458065), (30, 2294194), (35, 1966452), (42, 1638710), (60, 1147097), (70, 983226), (84, 819355), (105, 655484), (140, 491613), (210, 327742), (420, 163871)]