256873008

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40237}}^1$

素因数の和:40274

約数の個数: 80

約数和(自身を含む): 798321920

約数和(自身を除く): 541448912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 798, 912, 1064, 1596, 2128, 3192, 6384, 40237, 80474, 120711, 160948, 241422, 281659, 321896, 482844, 563318, 643792, 764503, 844977, 965688, 1126636, 1529006, 1689954, 1931376, 2253272, 2293509, 3058012, 3379908, 4506544, 4587018, 5351521, 6116024, 6759816, 9174036, 10703042, 12232048, 13519632, 16054563, 18348072, 21406084, 32109126, 36696144, 42812168, 64218252, 85624336, 128436504, 256873008]

約数ペア:

[(1, 256873008), (2, 128436504), (3, 85624336), (4, 64218252), (6, 42812168), (7, 36696144), (8, 32109126), (12, 21406084), (14, 18348072), (16, 16054563), (19, 13519632), (21, 12232048), (24, 10703042), (28, 9174036), (38, 6759816), (42, 6116024), (48, 5351521), (56, 4587018), (57, 4506544), (76, 3379908), (84, 3058012), (112, 2293509), (114, 2253272), (133, 1931376), (152, 1689954), (168, 1529006), (228, 1126636), (266, 965688), (304, 844977), (336, 764503), (399, 643792), (456, 563318), (532, 482844), (798, 321896), (912, 281659), (1064, 241422), (1596, 160948), (2128, 120711), (3192, 80474), (6384, 40237)]