30015240

素因数分解:

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

素因数の和:1046

約数の個数: 64

約数和(自身を含む): 90417600

約数和(自身を除く): 60402360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 643, 778, 1167, 1286, 1556, 1929, 1945, 2334, 2572, 3112, 3215, 3858, 3890, 4668, 5144, 5835, 6430, 7716, 7780, 9336, 9645, 11670, 12860, 15432, 15560, 19290, 23340, 25720, 38580, 46680, 77160, 250127, 500254, 750381, 1000508, 1250635, 1500762, 2001016, 2501270, 3001524, 3751905, 5002540, 6003048, 7503810, 10005080, 15007620, 30015240]

約数ペア:

[(1, 30015240), (2, 15007620), (3, 10005080), (4, 7503810), (5, 6003048), (6, 5002540), (8, 3751905), (10, 3001524), (12, 2501270), (15, 2001016), (20, 1500762), (24, 1250635), (30, 1000508), (40, 750381), (60, 500254), (120, 250127), (389, 77160), (643, 46680), (778, 38580), (1167, 25720), (1286, 23340), (1556, 19290), (1929, 15560), (1945, 15432), (2334, 12860), (2572, 11670), (3112, 9645), (3215, 9336), (3858, 7780), (3890, 7716), (4668, 6430), (5144, 5835)]