640842761216

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{6883}}^1$

素因数の和:7360

約数の個数: 176

約数和(自身を含む): 1515123240960

約数和(自身を除く): 874280479744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 419, 434, 448, 496, 512, 838, 868, 896, 992, 1024, 1676, 1736, 1792, 1984, 2933, 3352, 3472, 3584, 3968, 5866, 6704, 6883, 6944, 7168, 7936, 11732, 12989, 13408, 13766, 13888, 15872, 23464, 25978, 26816, 27532, 27776, 31744, 46928, 48181, 51956, 53632, 55064, 55552, 90923, 93856, 96362, 103912, 107264, 110128, 111104, 181846, 187712, 192724, 207824, 213373, 214528, 220256, 222208, 363692, 375424, 385448, 415648, 426746, 429056, 440512, 727384, 750848, 770896, 831296, 853492, 881024, 1454768, 1493611, 1501696, 1541792, 1662592, 1706984, 1762048, 2883977, 2909536, 2987222, 3003392, 3083584, 3325184, 3413968, 3524096, 5767954, 5819072, 5974444, 6167168, 6650368, 6827936, 7048192, 11535908, 11638144, 11948888, 12334336, 13300736, 13655872, 20187839, 23071816, 23276288, 23897776, 24668672, 27311744, 40375678, 46143632, 46552576, 47795552, 49337344, 54623488, 80751356, 89403287, 92287264, 93105152, 95591104, 109246976, 161502712, 178806574, 184574528, 191182208, 218493952, 323005424, 357613148, 369149056, 382364416, 625823009, 646010848, 715226296, 738298112, 764728832, 1251646018, 1292021696, 1430452592, 1476596224, 1529457664, 2503292036, 2584043392, 2860905184, 2953192448, 5006584072, 5168086784, 5721810368, 10013168144, 10336173568, 11443620736, 20026336288, 20672347136, 22887241472, 40052672576, 45774482944, 80105345152, 91548965888, 160210690304, 320421380608, 640842761216]

約数ペア:

[(1, 640842761216), (2, 320421380608), (4, 160210690304), (7, 91548965888), (8, 80105345152), (14, 45774482944), (16, 40052672576), (28, 22887241472), (31, 20672347136), (32, 20026336288), (56, 11443620736), (62, 10336173568), (64, 10013168144), (112, 5721810368), (124, 5168086784), (128, 5006584072), (217, 2953192448), (224, 2860905184), (248, 2584043392), (256, 2503292036), (419, 1529457664), (434, 1476596224), (448, 1430452592), (496, 1292021696), (512, 1251646018), (838, 764728832), (868, 738298112), (896, 715226296), (992, 646010848), (1024, 625823009), (1676, 382364416), (1736, 369149056), (1792, 357613148), (1984, 323005424), (2933, 218493952), (3352, 191182208), (3472, 184574528), (3584, 178806574), (3968, 161502712), (5866, 109246976), (6704, 95591104), (6883, 93105152), (6944, 92287264), (7168, 89403287), (7936, 80751356), (11732, 54623488), (12989, 49337344), (13408, 47795552), (13766, 46552576), (13888, 46143632), (15872, 40375678), (23464, 27311744), (25978, 24668672), (26816, 23897776), (27532, 23276288), (27776, 23071816), (31744, 20187839), (46928, 13655872), (48181, 13300736), (51956, 12334336), (53632, 11948888), (55064, 11638144), (55552, 11535908), (90923, 7048192), (93856, 6827936), (96362, 6650368), (103912, 6167168), (107264, 5974444), (110128, 5819072), (111104, 5767954), (181846, 3524096), (187712, 3413968), (192724, 3325184), (207824, 3083584), (213373, 3003392), (214528, 2987222), (220256, 2909536), (222208, 2883977), (363692, 1762048), (375424, 1706984), (385448, 1662592), (415648, 1541792), (426746, 1501696), (429056, 1493611), (440512, 1454768), (727384, 881024), (750848, 853492), (770896, 831296)]