64308420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32479}}^1$

素因数の和:32505

約数の個数: 72

約数和(自身を含む): 212808960

約数和(自身を除く): 148500540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 32479, 64958, 97437, 129916, 162395, 194874, 292311, 324790, 357269, 389748, 487185, 584622, 649580, 714538, 974370, 1071807, 1169244, 1429076, 1461555, 1786345, 1948740, 2143614, 2923110, 3215421, 3572690, 4287228, 5359035, 5846220, 6430842, 7145380, 10718070, 12861684, 16077105, 21436140, 32154210, 64308420]

約数ペア:

[(1, 64308420), (2, 32154210), (3, 21436140), (4, 16077105), (5, 12861684), (6, 10718070), (9, 7145380), (10, 6430842), (11, 5846220), (12, 5359035), (15, 4287228), (18, 3572690), (20, 3215421), (22, 2923110), (30, 2143614), (33, 1948740), (36, 1786345), (44, 1461555), (45, 1429076), (55, 1169244), (60, 1071807), (66, 974370), (90, 714538), (99, 649580), (110, 584622), (132, 487185), (165, 389748), (180, 357269), (198, 324790), (220, 292311), (330, 194874), (396, 162395), (495, 129916), (660, 97437), (990, 64958), (1980, 32479)]