79865820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1579}}^1$

素因数の和:1875

約数の個数: 72

約数和(自身を含む): 243275760

約数和(自身を除く): 163409940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 1124, 1405, 1579, 1686, 2529, 2810, 3158, 3372, 4215, 4737, 5058, 5620, 6316, 7895, 8430, 9474, 10116, 12645, 14211, 15790, 16860, 18948, 23685, 25290, 28422, 31580, 47370, 50580, 56844, 71055, 94740, 142110, 284220, 443699, 887398, 1331097, 1774796, 2218495, 2662194, 3993291, 4436990, 5324388, 6655485, 7986582, 8873980, 13310970, 15973164, 19966455, 26621940, 39932910, 79865820]

約数ペア:

[(1, 79865820), (2, 39932910), (3, 26621940), (4, 19966455), (5, 15973164), (6, 13310970), (9, 8873980), (10, 7986582), (12, 6655485), (15, 5324388), (18, 4436990), (20, 3993291), (30, 2662194), (36, 2218495), (45, 1774796), (60, 1331097), (90, 887398), (180, 443699), (281, 284220), (562, 142110), (843, 94740), (1124, 71055), (1405, 56844), (1579, 50580), (1686, 47370), (2529, 31580), (2810, 28422), (3158, 25290), (3372, 23685), (4215, 18948), (4737, 16860), (5058, 15790), (5620, 14211), (6316, 12645), (7895, 10116), (8430, 9474)]