263281480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:468

約数の個数: 192

約数和(自身を含む): 785232000

約数和(自身を除く): 521950520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 121, 133, 140, 152, 154, 190, 209, 220, 242, 266, 280, 308, 380, 385, 409, 418, 440, 484, 532, 605, 616, 665, 760, 770, 818, 836, 847, 968, 1045, 1064, 1210, 1330, 1463, 1540, 1636, 1672, 1694, 2045, 2090, 2299, 2420, 2660, 2863, 2926, 3080, 3272, 3388, 4090, 4180, 4235, 4499, 4598, 4840, 5320, 5726, 5852, 6776, 7315, 7771, 8180, 8360, 8470, 8998, 9196, 11452, 11495, 11704, 14315, 14630, 15542, 16093, 16360, 16940, 17996, 18392, 22495, 22904, 22990, 28630, 29260, 31084, 31493, 32186, 33880, 35992, 38855, 44990, 45980, 49489, 54397, 57260, 58520, 62168, 62986, 64372, 77710, 80465, 85481, 89980, 91960, 98978, 108794, 114520, 125972, 128744, 155420, 157465, 160930, 170962, 179960, 197956, 217588, 247445, 251944, 271985, 310840, 314930, 321860, 341924, 346423, 395912, 427405, 435176, 494890, 543970, 598367, 629860, 643720, 683848, 692846, 854810, 940291, 989780, 1087940, 1196734, 1259720, 1385692, 1709620, 1732115, 1880582, 1979560, 2175880, 2393468, 2771384, 2991835, 3419240, 3464230, 3761164, 4701455, 4786936, 5983670, 6582037, 6928460, 7522328, 9402910, 11967340, 13164074, 13856920, 18805820, 23934680, 26328148, 32910185, 37611640, 52656296, 65820370, 131640740, 263281480]

約数ペア:

[(1, 263281480), (2, 131640740), (4, 65820370), (5, 52656296), (7, 37611640), (8, 32910185), (10, 26328148), (11, 23934680), (14, 18805820), (19, 13856920), (20, 13164074), (22, 11967340), (28, 9402910), (35, 7522328), (38, 6928460), (40, 6582037), (44, 5983670), (55, 4786936), (56, 4701455), (70, 3761164), (76, 3464230), (77, 3419240), (88, 2991835), (95, 2771384), (110, 2393468), (121, 2175880), (133, 1979560), (140, 1880582), (152, 1732115), (154, 1709620), (190, 1385692), (209, 1259720), (220, 1196734), (242, 1087940), (266, 989780), (280, 940291), (308, 854810), (380, 692846), (385, 683848), (409, 643720), (418, 629860), (440, 598367), (484, 543970), (532, 494890), (605, 435176), (616, 427405), (665, 395912), (760, 346423), (770, 341924), (818, 321860), (836, 314930), (847, 310840), (968, 271985), (1045, 251944), (1064, 247445), (1210, 217588), (1330, 197956), (1463, 179960), (1540, 170962), (1636, 160930), (1672, 157465), (1694, 155420), (2045, 128744), (2090, 125972), (2299, 114520), (2420, 108794), (2660, 98978), (2863, 91960), (2926, 89980), (3080, 85481), (3272, 80465), (3388, 77710), (4090, 64372), (4180, 62986), (4235, 62168), (4499, 58520), (4598, 57260), (4840, 54397), (5320, 49489), (5726, 45980), (5852, 44990), (6776, 38855), (7315, 35992), (7771, 33880), (8180, 32186), (8360, 31493), (8470, 31084), (8998, 29260), (9196, 28630), (11452, 22990), (11495, 22904), (11704, 22495), (14315, 18392), (14630, 17996), (15542, 16940), (16093, 16360)]