644752020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{919}}^1\times {\mathrm{1063}}^1$

素因数の和:2005

約数の個数: 96

約数和(自身を含む): 1973422080

約数和(自身を除く): 1328670060

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 919, 1063, 1838, 2126, 2757, 3189, 3676, 4252, 4595, 5315, 5514, 6378, 9190, 10109, 10630, 11028, 11693, 12756, 13785, 15945, 18380, 20218, 21260, 23386, 27570, 30327, 31890, 35079, 40436, 46772, 50545, 55140, 58465, 60654, 63780, 70158, 101090, 116930, 121308, 140316, 151635, 175395, 202180, 233860, 303270, 350790, 606540, 701580, 976897, 1953794, 2930691, 3907588, 4884485, 5861382, 9768970, 10745867, 11722764, 14653455, 19537940, 21491734, 29306910, 32237601, 42983468, 53729335, 58613820, 64475202, 107458670, 128950404, 161188005, 214917340, 322376010, 644752020]

約数ペア:

[(1, 644752020), (2, 322376010), (3, 214917340), (4, 161188005), (5, 128950404), (6, 107458670), (10, 64475202), (11, 58613820), (12, 53729335), (15, 42983468), (20, 32237601), (22, 29306910), (30, 21491734), (33, 19537940), (44, 14653455), (55, 11722764), (60, 10745867), (66, 9768970), (110, 5861382), (132, 4884485), (165, 3907588), (220, 2930691), (330, 1953794), (660, 976897), (919, 701580), (1063, 606540), (1838, 350790), (2126, 303270), (2757, 233860), (3189, 202180), (3676, 175395), (4252, 151635), (4595, 140316), (5315, 121308), (5514, 116930), (6378, 101090), (9190, 70158), (10109, 63780), (10630, 60654), (11028, 58465), (11693, 55140), (12756, 50545), (13785, 46772), (15945, 40436), (18380, 35079), (20218, 31890), (21260, 30327), (23386, 27570)]