211284240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{883}}^1\times {\mathrm{997}}^1$

素因数の和:1896

約数の個数: 80

約数和(自身を含む): 656380608

約数和(自身を除く): 445096368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 883, 997, 1766, 1994, 2649, 2991, 3532, 3988, 4415, 4985, 5298, 5982, 7064, 7976, 8830, 9970, 10596, 11964, 13245, 14128, 14955, 15952, 17660, 19940, 21192, 23928, 26490, 29910, 35320, 39880, 42384, 47856, 52980, 59820, 70640, 79760, 105960, 119640, 211920, 239280, 880351, 1760702, 2641053, 3521404, 4401755, 5282106, 7042808, 8803510, 10564212, 13205265, 14085616, 17607020, 21128424, 26410530, 35214040, 42256848, 52821060, 70428080, 105642120, 211284240]

約数ペア:

[(1, 211284240), (2, 105642120), (3, 70428080), (4, 52821060), (5, 42256848), (6, 35214040), (8, 26410530), (10, 21128424), (12, 17607020), (15, 14085616), (16, 13205265), (20, 10564212), (24, 8803510), (30, 7042808), (40, 5282106), (48, 4401755), (60, 3521404), (80, 2641053), (120, 1760702), (240, 880351), (883, 239280), (997, 211920), (1766, 119640), (1994, 105960), (2649, 79760), (2991, 70640), (3532, 59820), (3988, 52980), (4415, 47856), (4985, 42384), (5298, 39880), (5982, 35320), (7064, 29910), (7976, 26490), (8830, 23928), (9970, 21192), (10596, 19940), (11964, 17660), (13245, 15952), (14128, 14955)]