213071520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{443899}}^1$

素因数の和:443917

約数の個数: 48

約数和(自身を含む): 671176800

約数和(自身を除く): 458105280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 443899, 887798, 1331697, 1775596, 2219495, 2663394, 3551192, 4438990, 5326788, 6658485, 7102384, 8877980, 10653576, 13316970, 14204768, 17755960, 21307152, 26633940, 35511920, 42614304, 53267880, 71023840, 106535760, 213071520]

約数ペア:

[(1, 213071520), (2, 106535760), (3, 71023840), (4, 53267880), (5, 42614304), (6, 35511920), (8, 26633940), (10, 21307152), (12, 17755960), (15, 14204768), (16, 13316970), (20, 10653576), (24, 8877980), (30, 7102384), (32, 6658485), (40, 5326788), (48, 4438990), (60, 3551192), (80, 2663394), (96, 2219495), (120, 1775596), (160, 1331697), (240, 887798), (480, 443899)]