64157260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 139426560

約数和(自身を除く): 75269300

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 181, 185, 362, 370, 479, 724, 740, 905, 958, 1810, 1916, 2395, 3620, 4790, 6697, 9580, 13394, 17723, 26788, 33485, 35446, 66970, 70892, 86699, 88615, 133940, 173398, 177230, 346796, 354460, 433495, 866990, 1733980, 3207863, 6415726, 12831452, 16039315, 32078630, 64157260]

約数ペア:

[(1, 64157260), (2, 32078630), (4, 16039315), (5, 12831452), (10, 6415726), (20, 3207863), (37, 1733980), (74, 866990), (148, 433495), (181, 354460), (185, 346796), (362, 177230), (370, 173398), (479, 133940), (724, 88615), (740, 86699), (905, 70892), (958, 66970), (1810, 35446), (1916, 33485), (2395, 26788), (3620, 17723), (4790, 13394), (6697, 9580)]