217571880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4567}}^1$

素因数の和:4978

約数の個数: 64

約数和(自身を含む): 654503040

約数和(自身を除く): 436931160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1588, 1985, 2382, 3176, 3970, 4567, 4764, 5955, 7940, 9134, 9528, 11910, 13701, 15880, 18268, 22835, 23820, 27402, 36536, 45670, 47640, 54804, 68505, 91340, 109608, 137010, 182680, 274020, 548040, 1813099, 3626198, 5439297, 7252396, 9065495, 10878594, 14504792, 18130990, 21757188, 27196485, 36261980, 43514376, 54392970, 72523960, 108785940, 217571880]

約数ペア:

[(1, 217571880), (2, 108785940), (3, 72523960), (4, 54392970), (5, 43514376), (6, 36261980), (8, 27196485), (10, 21757188), (12, 18130990), (15, 14504792), (20, 10878594), (24, 9065495), (30, 7252396), (40, 5439297), (60, 3626198), (120, 1813099), (397, 548040), (794, 274020), (1191, 182680), (1588, 137010), (1985, 109608), (2382, 91340), (3176, 68505), (3970, 54804), (4567, 47640), (4764, 45670), (5955, 36536), (7940, 27402), (9134, 23820), (9528, 22835), (11910, 18268), (13701, 15880)]