645275736

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{1280309}}^1$

素因数の和:1280328

約数の個数: 48

約数和(自身を含む): 1997283600

約数和(自身を除く): 1352007864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 1280309, 2560618, 3840927, 5121236, 7681854, 8962163, 10242472, 11522781, 15363708, 17924326, 23045562, 26886489, 30727416, 35848652, 46091124, 53772978, 71697304, 80659467, 92182248, 107545956, 161318934, 215091912, 322637868, 645275736]

約数ペア:

[(1, 645275736), (2, 322637868), (3, 215091912), (4, 161318934), (6, 107545956), (7, 92182248), (8, 80659467), (9, 71697304), (12, 53772978), (14, 46091124), (18, 35848652), (21, 30727416), (24, 26886489), (28, 23045562), (36, 17924326), (42, 15363708), (56, 11522781), (63, 10242472), (72, 8962163), (84, 7681854), (126, 5121236), (168, 3840927), (252, 2560618), (504, 1280309)]