2649531560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{164363}}^1$

素因数の和:164418

約数の個数: 64

約数和(自身を含む): 6627156480

約数和(自身を除く): 3977624920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 164363, 328726, 657452, 821815, 1314904, 1643630, 2136719, 3287260, 4273438, 5095253, 6574520, 8546876, 10190506, 10683595, 17093752, 20381012, 21367190, 25476265, 40762024, 42734380, 50952530, 66238289, 85468760, 101905060, 132476578, 203810120, 264953156, 331191445, 529906312, 662382890, 1324765780, 2649531560]

約数ペア:

[(1, 2649531560), (2, 1324765780), (4, 662382890), (5, 529906312), (8, 331191445), (10, 264953156), (13, 203810120), (20, 132476578), (26, 101905060), (31, 85468760), (40, 66238289), (52, 50952530), (62, 42734380), (65, 40762024), (104, 25476265), (124, 21367190), (130, 20381012), (155, 17093752), (248, 10683595), (260, 10190506), (310, 8546876), (403, 6574520), (520, 5095253), (620, 4273438), (806, 3287260), (1240, 2136719), (1612, 1643630), (2015, 1314904), (3224, 821815), (4030, 657452), (8060, 328726), (16120, 164363)]