256301808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{7129}}^1$

素因数の和:7254

約数の個数: 80

約数和(自身を含む): 763879680

約数和(自身を除く): 507577872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 107, 112, 168, 214, 321, 336, 428, 642, 749, 856, 1284, 1498, 1712, 2247, 2568, 2996, 4494, 5136, 5992, 7129, 8988, 11984, 14258, 17976, 21387, 28516, 35952, 42774, 49903, 57032, 85548, 99806, 114064, 149709, 171096, 199612, 299418, 342192, 399224, 598836, 762803, 798448, 1197672, 1525606, 2288409, 2395344, 3051212, 4576818, 5339621, 6102424, 9153636, 10679242, 12204848, 16018863, 18307272, 21358484, 32037726, 36614544, 42716968, 64075452, 85433936, 128150904, 256301808]

約数ペア:

[(1, 256301808), (2, 128150904), (3, 85433936), (4, 64075452), (6, 42716968), (7, 36614544), (8, 32037726), (12, 21358484), (14, 18307272), (16, 16018863), (21, 12204848), (24, 10679242), (28, 9153636), (42, 6102424), (48, 5339621), (56, 4576818), (84, 3051212), (107, 2395344), (112, 2288409), (168, 1525606), (214, 1197672), (321, 798448), (336, 762803), (428, 598836), (642, 399224), (749, 342192), (856, 299418), (1284, 199612), (1498, 171096), (1712, 149709), (2247, 114064), (2568, 99806), (2996, 85548), (4494, 57032), (5136, 49903), (5992, 42774), (7129, 35952), (8988, 28516), (11984, 21387), (14258, 17976)]