640711896

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{51637}}^1$

素因数の和:51704

約数の個数: 64

約数和(自身を含む): 1784609280

約数和(自身を除く): 1143897384

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 47, 66, 88, 94, 132, 141, 188, 264, 282, 376, 517, 564, 1034, 1128, 1551, 2068, 3102, 4136, 6204, 12408, 51637, 103274, 154911, 206548, 309822, 413096, 568007, 619644, 1136014, 1239288, 1704021, 2272028, 2426939, 3408042, 4544056, 4853878, 6816084, 7280817, 9707756, 13632168, 14561634, 19415512, 26696329, 29123268, 53392658, 58246536, 80088987, 106785316, 160177974, 213570632, 320355948, 640711896]

約数ペア:

[(1, 640711896), (2, 320355948), (3, 213570632), (4, 160177974), (6, 106785316), (8, 80088987), (11, 58246536), (12, 53392658), (22, 29123268), (24, 26696329), (33, 19415512), (44, 14561634), (47, 13632168), (66, 9707756), (88, 7280817), (94, 6816084), (132, 4853878), (141, 4544056), (188, 3408042), (264, 2426939), (282, 2272028), (376, 1704021), (517, 1239288), (564, 1136014), (1034, 619644), (1128, 568007), (1551, 413096), (2068, 309822), (3102, 206548), (4136, 154911), (6204, 103274), (12408, 51637)]