213318120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1783}}^1$

素因数の和:2794

約数の個数: 64

約数和(自身を含む): 640955520

約数和(自身を除く): 427637400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 997, 1783, 1994, 2991, 3566, 3988, 4985, 5349, 5982, 7132, 7976, 8915, 9970, 10698, 11964, 14264, 14955, 17830, 19940, 21396, 23928, 26745, 29910, 35660, 39880, 42792, 53490, 59820, 71320, 106980, 119640, 213960, 1777651, 3555302, 5332953, 7110604, 8888255, 10665906, 14221208, 17776510, 21331812, 26664765, 35553020, 42663624, 53329530, 71106040, 106659060, 213318120]

約数ペア:

[(1, 213318120), (2, 106659060), (3, 71106040), (4, 53329530), (5, 42663624), (6, 35553020), (8, 26664765), (10, 21331812), (12, 17776510), (15, 14221208), (20, 10665906), (24, 8888255), (30, 7110604), (40, 5332953), (60, 3555302), (120, 1777651), (997, 213960), (1783, 119640), (1994, 106980), (2991, 71320), (3566, 59820), (3988, 53490), (4985, 42792), (5349, 39880), (5982, 35660), (7132, 29910), (7976, 26745), (8915, 23928), (9970, 21396), (10698, 19940), (11964, 17830), (14264, 14955)]