90955980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{433}}^1$

素因数の和:840

約数の個数: 96

約数和(自身を含む): 284356800

約数和(自身を除く): 193400820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 389, 433, 540, 778, 866, 1167, 1299, 1556, 1732, 1945, 2165, 2334, 2598, 3501, 3890, 3897, 4330, 4668, 5196, 5835, 6495, 7002, 7780, 7794, 8660, 10503, 11670, 11691, 12990, 14004, 15588, 17505, 19485, 21006, 23340, 23382, 25980, 35010, 38970, 42012, 46764, 52515, 58455, 70020, 77940, 105030, 116910, 168437, 210060, 233820, 336874, 505311, 673748, 842185, 1010622, 1515933, 1684370, 2021244, 2526555, 3031866, 3368740, 4547799, 5053110, 6063732, 7579665, 9095598, 10106220, 15159330, 18191196, 22738995, 30318660, 45477990, 90955980]

約数ペア:

[(1, 90955980), (2, 45477990), (3, 30318660), (4, 22738995), (5, 18191196), (6, 15159330), (9, 10106220), (10, 9095598), (12, 7579665), (15, 6063732), (18, 5053110), (20, 4547799), (27, 3368740), (30, 3031866), (36, 2526555), (45, 2021244), (54, 1684370), (60, 1515933), (90, 1010622), (108, 842185), (135, 673748), (180, 505311), (270, 336874), (389, 233820), (433, 210060), (540, 168437), (778, 116910), (866, 105030), (1167, 77940), (1299, 70020), (1556, 58455), (1732, 52515), (1945, 46764), (2165, 42012), (2334, 38970), (2598, 35010), (3501, 25980), (3890, 23382), (3897, 23340), (4330, 21006), (4668, 19485), (5196, 17505), (5835, 15588), (6495, 14004), (7002, 12990), (7780, 11691), (7794, 11670), (8660, 10503)]