64505120

素因数分解:

$2^5\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1123}}^1$

素因数の和:1497

約数の個数: 48

約数和(自身を含む): 152953920

約数和(自身を除く): 88448800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 359, 718, 1123, 1436, 1795, 2246, 2872, 3590, 4492, 5615, 5744, 7180, 8984, 11230, 11488, 14360, 17968, 22460, 28720, 35936, 44920, 57440, 89840, 179680, 403157, 806314, 1612628, 2015785, 3225256, 4031570, 6450512, 8063140, 12901024, 16126280, 32252560, 64505120]

約数ペア:

[(1, 64505120), (2, 32252560), (4, 16126280), (5, 12901024), (8, 8063140), (10, 6450512), (16, 4031570), (20, 3225256), (32, 2015785), (40, 1612628), (80, 806314), (160, 403157), (359, 179680), (718, 89840), (1123, 57440), (1436, 44920), (1795, 35936), (2246, 28720), (2872, 22460), (3590, 17968), (4492, 14360), (5615, 11488), (5744, 11230), (7180, 8984)]