90045720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{643}}^1$

素因数の和:1049

約数の個数: 96

約数和(自身を含む): 293857200

約数和(自身を除く): 203811480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 389, 643, 778, 1167, 1286, 1556, 1929, 1945, 2334, 2572, 3112, 3215, 3501, 3858, 3890, 4668, 5144, 5787, 5835, 6430, 7002, 7716, 7780, 9336, 9645, 11574, 11670, 12860, 14004, 15432, 15560, 17505, 19290, 23148, 23340, 25720, 28008, 28935, 35010, 38580, 46296, 46680, 57870, 70020, 77160, 115740, 140040, 231480, 250127, 500254, 750381, 1000508, 1250635, 1500762, 2001016, 2251143, 2501270, 3001524, 3751905, 4502286, 5002540, 6003048, 7503810, 9004572, 10005080, 11255715, 15007620, 18009144, 22511430, 30015240, 45022860, 90045720]

約数ペア:

[(1, 90045720), (2, 45022860), (3, 30015240), (4, 22511430), (5, 18009144), (6, 15007620), (8, 11255715), (9, 10005080), (10, 9004572), (12, 7503810), (15, 6003048), (18, 5002540), (20, 4502286), (24, 3751905), (30, 3001524), (36, 2501270), (40, 2251143), (45, 2001016), (60, 1500762), (72, 1250635), (90, 1000508), (120, 750381), (180, 500254), (360, 250127), (389, 231480), (643, 140040), (778, 115740), (1167, 77160), (1286, 70020), (1556, 57870), (1929, 46680), (1945, 46296), (2334, 38580), (2572, 35010), (3112, 28935), (3215, 28008), (3501, 25720), (3858, 23340), (3890, 23148), (4668, 19290), (5144, 17505), (5787, 15560), (5835, 15432), (6430, 14004), (7002, 12860), (7716, 11670), (7780, 11574), (9336, 9645)]