68311980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{34501}}^1$

素因数の和:34527

約数の個数: 72

約数和(自身を含む): 226057104

約数和(自身を除く): 157745124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 34501, 69002, 103503, 138004, 172505, 207006, 310509, 345010, 379511, 414012, 517515, 621018, 690020, 759022, 1035030, 1138533, 1242036, 1518044, 1552545, 1897555, 2070060, 2277066, 3105090, 3415599, 3795110, 4554132, 5692665, 6210180, 6831198, 7590220, 11385330, 13662396, 17077995, 22770660, 34155990, 68311980]

約数ペア:

[(1, 68311980), (2, 34155990), (3, 22770660), (4, 17077995), (5, 13662396), (6, 11385330), (9, 7590220), (10, 6831198), (11, 6210180), (12, 5692665), (15, 4554132), (18, 3795110), (20, 3415599), (22, 3105090), (30, 2277066), (33, 2070060), (36, 1897555), (44, 1552545), (45, 1518044), (55, 1242036), (60, 1138533), (66, 1035030), (90, 759022), (99, 690020), (110, 621018), (132, 517515), (165, 414012), (180, 379511), (198, 345010), (220, 310509), (330, 207006), (396, 172505), (495, 138004), (660, 103503), (990, 69002), (1980, 34501)]