256535664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2299

約数の個数: 160

約数和(自身を含む): 853278720

約数和(自身を除く): 596743056

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 31, 33, 42, 44, 48, 56, 62, 66, 77, 84, 88, 93, 112, 124, 132, 154, 168, 176, 186, 217, 231, 248, 264, 308, 336, 341, 372, 434, 462, 496, 528, 616, 651, 682, 744, 868, 924, 1023, 1232, 1302, 1364, 1488, 1736, 1848, 2046, 2239, 2387, 2604, 2728, 3472, 3696, 4092, 4478, 4774, 5208, 5456, 6717, 7161, 8184, 8956, 9548, 10416, 13434, 14322, 15673, 16368, 17912, 19096, 24629, 26868, 28644, 31346, 35824, 38192, 47019, 49258, 53736, 57288, 62692, 69409, 73887, 94038, 98516, 107472, 114576, 125384, 138818, 147774, 172403, 188076, 197032, 208227, 250768, 277636, 295548, 344806, 376152, 394064, 416454, 485863, 517209, 555272, 591096, 689612, 752304, 763499, 832908, 971726, 1034418, 1110544, 1182192, 1379224, 1457589, 1526998, 1665816, 1943452, 2068836, 2290497, 2758448, 2915178, 3053996, 3331632, 3886904, 4137672, 4580994, 5344493, 5830356, 6107992, 7773808, 8275344, 9161988, 10688986, 11660712, 12215984, 16033479, 18323976, 21377972, 23321424, 32066958, 36647952, 42755944, 64133916, 85511888, 128267832, 256535664]

約数ペア:

[(1, 256535664), (2, 128267832), (3, 85511888), (4, 64133916), (6, 42755944), (7, 36647952), (8, 32066958), (11, 23321424), (12, 21377972), (14, 18323976), (16, 16033479), (21, 12215984), (22, 11660712), (24, 10688986), (28, 9161988), (31, 8275344), (33, 7773808), (42, 6107992), (44, 5830356), (48, 5344493), (56, 4580994), (62, 4137672), (66, 3886904), (77, 3331632), (84, 3053996), (88, 2915178), (93, 2758448), (112, 2290497), (124, 2068836), (132, 1943452), (154, 1665816), (168, 1526998), (176, 1457589), (186, 1379224), (217, 1182192), (231, 1110544), (248, 1034418), (264, 971726), (308, 832908), (336, 763499), (341, 752304), (372, 689612), (434, 591096), (462, 555272), (496, 517209), (528, 485863), (616, 416454), (651, 394064), (682, 376152), (744, 344806), (868, 295548), (924, 277636), (1023, 250768), (1232, 208227), (1302, 197032), (1364, 188076), (1488, 172403), (1736, 147774), (1848, 138818), (2046, 125384), (2239, 114576), (2387, 107472), (2604, 98516), (2728, 94038), (3472, 73887), (3696, 69409), (4092, 62692), (4478, 57288), (4774, 53736), (5208, 49258), (5456, 47019), (6717, 38192), (7161, 35824), (8184, 31346), (8956, 28644), (9548, 26868), (10416, 24629), (13434, 19096), (14322, 17912), (15673, 16368)]