80821609260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{966997}}^1$

素因数の和:967215

約数の個数: 96

約数和(自身を含む): 259929062400

約数和(自身を除く): 179107453140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 398, 420, 597, 796, 995, 1194, 1393, 1990, 2388, 2786, 2985, 3980, 4179, 5572, 5970, 6965, 8358, 11940, 13930, 16716, 20895, 27860, 41790, 83580, 966997, 1933994, 2900991, 3867988, 4834985, 5801982, 6768979, 9669970, 11603964, 13537958, 14504955, 19339940, 20306937, 27075916, 29009910, 33844895, 40613874, 58019820, 67689790, 81227748, 101534685, 135379580, 192432403, 203069370, 384864806, 406138740, 577297209, 769729612, 962162015, 1154594418, 1347026821, 1924324030, 2309188836, 2694053642, 2886486045, 3848648060, 4041080463, 5388107284, 5772972090, 6735134105, 8082160926, 11545944180, 13470268210, 16164321852, 20205402315, 26940536420, 40410804630, 80821609260]

約数ペア:

[(1, 80821609260), (2, 40410804630), (3, 26940536420), (4, 20205402315), (5, 16164321852), (6, 13470268210), (7, 11545944180), (10, 8082160926), (12, 6735134105), (14, 5772972090), (15, 5388107284), (20, 4041080463), (21, 3848648060), (28, 2886486045), (30, 2694053642), (35, 2309188836), (42, 1924324030), (60, 1347026821), (70, 1154594418), (84, 962162015), (105, 769729612), (140, 577297209), (199, 406138740), (210, 384864806), (398, 203069370), (420, 192432403), (597, 135379580), (796, 101534685), (995, 81227748), (1194, 67689790), (1393, 58019820), (1990, 40613874), (2388, 33844895), (2786, 29009910), (2985, 27075916), (3980, 20306937), (4179, 19339940), (5572, 14504955), (5970, 13537958), (6965, 11603964), (8358, 9669970), (11940, 6768979), (13930, 5801982), (16716, 4834985), (20895, 3867988), (27860, 2900991), (41790, 1933994), (83580, 966997)]