257055480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:634

約数の個数: 192

約数和(自身を含む): 919900800

約数和(自身を除く): 662845320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 139, 165, 180, 198, 220, 264, 278, 330, 360, 396, 417, 440, 467, 495, 556, 660, 695, 792, 834, 934, 990, 1112, 1251, 1320, 1390, 1401, 1529, 1668, 1868, 1980, 2085, 2335, 2502, 2780, 2802, 3058, 3336, 3736, 3960, 4170, 4203, 4587, 4670, 5004, 5137, 5560, 5604, 6116, 6255, 7005, 7645, 8340, 8406, 9174, 9340, 10008, 10274, 11208, 12232, 12510, 13761, 14010, 15290, 15411, 16680, 16812, 18348, 18680, 20548, 21015, 22935, 25020, 25685, 27522, 28020, 30580, 30822, 33624, 36696, 41096, 42030, 45870, 46233, 50040, 51370, 55044, 56040, 61160, 61644, 64913, 68805, 77055, 84060, 91740, 92466, 102740, 110088, 123288, 129826, 137610, 154110, 168120, 183480, 184932, 194739, 205480, 231165, 259652, 275220, 308220, 324565, 369864, 389478, 462330, 519304, 550440, 584217, 616440, 649130, 714043, 778956, 924660, 973695, 1168434, 1298260, 1428086, 1557912, 1849320, 1947390, 2142129, 2336868, 2596520, 2856172, 2921085, 3570215, 3894780, 4284258, 4673736, 5712344, 5842170, 6426387, 7140430, 7789560, 8568516, 10710645, 11684340, 12852774, 14280860, 17137032, 21421290, 23368680, 25705548, 28561720, 32131935, 42842580, 51411096, 64263870, 85685160, 128527740, 257055480]

約数ペア:

[(1, 257055480), (2, 128527740), (3, 85685160), (4, 64263870), (5, 51411096), (6, 42842580), (8, 32131935), (9, 28561720), (10, 25705548), (11, 23368680), (12, 21421290), (15, 17137032), (18, 14280860), (20, 12852774), (22, 11684340), (24, 10710645), (30, 8568516), (33, 7789560), (36, 7140430), (40, 6426387), (44, 5842170), (45, 5712344), (55, 4673736), (60, 4284258), (66, 3894780), (72, 3570215), (88, 2921085), (90, 2856172), (99, 2596520), (110, 2336868), (120, 2142129), (132, 1947390), (139, 1849320), (165, 1557912), (180, 1428086), (198, 1298260), (220, 1168434), (264, 973695), (278, 924660), (330, 778956), (360, 714043), (396, 649130), (417, 616440), (440, 584217), (467, 550440), (495, 519304), (556, 462330), (660, 389478), (695, 369864), (792, 324565), (834, 308220), (934, 275220), (990, 259652), (1112, 231165), (1251, 205480), (1320, 194739), (1390, 184932), (1401, 183480), (1529, 168120), (1668, 154110), (1868, 137610), (1980, 129826), (2085, 123288), (2335, 110088), (2502, 102740), (2780, 92466), (2802, 91740), (3058, 84060), (3336, 77055), (3736, 68805), (3960, 64913), (4170, 61644), (4203, 61160), (4587, 56040), (4670, 55044), (5004, 51370), (5137, 50040), (5560, 46233), (5604, 45870), (6116, 42030), (6255, 41096), (7005, 36696), (7645, 33624), (8340, 30822), (8406, 30580), (9174, 28020), (9340, 27522), (10008, 25685), (10274, 25020), (11208, 22935), (12232, 21015), (12510, 20548), (13761, 18680), (14010, 18348), (15290, 16812), (15411, 16680)]