38502840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{643}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 115920000

約数和(自身を除く): 77417160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 499, 643, 998, 1286, 1497, 1929, 1996, 2495, 2572, 2994, 3215, 3858, 3992, 4990, 5144, 5988, 6430, 7485, 7716, 9645, 9980, 11976, 12860, 14970, 15432, 19290, 19960, 25720, 29940, 38580, 59880, 77160, 320857, 641714, 962571, 1283428, 1604285, 1925142, 2566856, 3208570, 3850284, 4812855, 6417140, 7700568, 9625710, 12834280, 19251420, 38502840]

約数ペア:

[(1, 38502840), (2, 19251420), (3, 12834280), (4, 9625710), (5, 7700568), (6, 6417140), (8, 4812855), (10, 3850284), (12, 3208570), (15, 2566856), (20, 1925142), (24, 1604285), (30, 1283428), (40, 962571), (60, 641714), (120, 320857), (499, 77160), (643, 59880), (998, 38580), (1286, 29940), (1497, 25720), (1929, 19960), (1996, 19290), (2495, 15432), (2572, 14970), (2994, 12860), (3215, 11976), (3858, 9980), (3992, 9645), (4990, 7716), (5144, 7485), (5988, 6430)]