257929920

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:170

約数の個数: 336

約数和(自身を含む): 958583808

約数和(自身を除く): 700653888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 107, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 192, 214, 216, 240, 243, 248, 270, 279, 288, 310, 320, 321, 324, 360, 372, 405, 428, 432, 465, 480, 486, 496, 535, 540, 558, 576, 620, 642, 648, 720, 744, 810, 837, 856, 864, 930, 960, 963, 972, 992, 1070, 1080, 1116, 1215, 1240, 1284, 1296, 1395, 1440, 1488, 1605, 1620, 1674, 1712, 1728, 1860, 1926, 1944, 1984, 2140, 2160, 2232, 2430, 2480, 2511, 2568, 2592, 2790, 2880, 2889, 2976, 3210, 3240, 3317, 3348, 3424, 3720, 3852, 3888, 4185, 4280, 4320, 4464, 4815, 4860, 4960, 5022, 5136, 5184, 5580, 5778, 5952, 6420, 6480, 6634, 6696, 6848, 7440, 7533, 7704, 7776, 8370, 8560, 8640, 8667, 8928, 9630, 9720, 9920, 9951, 10044, 10272, 11160, 11556, 12555, 12840, 12960, 13268, 13392, 14445, 14880, 15066, 15408, 15552, 16585, 16740, 17120, 17334, 17856, 19260, 19440, 19902, 20088, 20544, 22320, 23112, 25110, 25680, 25920, 26001, 26536, 26784, 28890, 29760, 29853, 30132, 30816, 33170, 33480, 34240, 34668, 37665, 38520, 38880, 39804, 40176, 43335, 44640, 46224, 49755, 50220, 51360, 52002, 53072, 53568, 57780, 59706, 60264, 61632, 66340, 66960, 69336, 75330, 77040, 77760, 79608, 80352, 86670, 89280, 89559, 92448, 99510, 100440, 102720, 104004, 106144, 115560, 119412, 120528, 130005, 132680, 133920, 138672, 149265, 150660, 154080, 159216, 160704, 173340, 179118, 184896, 199020, 200880, 208008, 212288, 231120, 238824, 241056, 260010, 265360, 267840, 268677, 277344, 298530, 301320, 308160, 318432, 346680, 358236, 398040, 401760, 416016, 447795, 462240, 477648, 482112, 520020, 530720, 537354, 554688, 597060, 602640, 636864, 693360, 716472, 796080, 803520, 806031, 832032, 895590, 924480, 955296, 1040040, 1061440, 1074708, 1194120, 1205280, 1343385, 1386720, 1432944, 1592160, 1612062, 1664064, 1791180, 1910592, 2080080, 2149416, 2388240, 2410560, 2686770, 2773440, 2865888, 3184320, 3224124, 3582360, 4030155, 4160160, 4298832, 4776480, 5373540, 5731776, 6448248, 7164720, 8060310, 8320320, 8597664, 9552960, 10747080, 12896496, 14329440, 16120620, 17195328, 21494160, 25792992, 28658880, 32241240, 42988320, 51585984, 64482480, 85976640, 128964960, 257929920]

約数ペア:

[(1, 257929920), (2, 128964960), (3, 85976640), (4, 64482480), (5, 51585984), (6, 42988320), (8, 32241240), (9, 28658880), (10, 25792992), (12, 21494160), (15, 17195328), (16, 16120620), (18, 14329440), (20, 12896496), (24, 10747080), (27, 9552960), (30, 8597664), (31, 8320320), (32, 8060310), (36, 7164720), (40, 6448248), (45, 5731776), (48, 5373540), (54, 4776480), (60, 4298832), (62, 4160160), (64, 4030155), (72, 3582360), (80, 3224124), (81, 3184320), (90, 2865888), (93, 2773440), (96, 2686770), (107, 2410560), (108, 2388240), (120, 2149416), (124, 2080080), (135, 1910592), (144, 1791180), (155, 1664064), (160, 1612062), (162, 1592160), (180, 1432944), (186, 1386720), (192, 1343385), (214, 1205280), (216, 1194120), (240, 1074708), (243, 1061440), (248, 1040040), (270, 955296), (279, 924480), (288, 895590), (310, 832032), (320, 806031), (321, 803520), (324, 796080), (360, 716472), (372, 693360), (405, 636864), (428, 602640), (432, 597060), (465, 554688), (480, 537354), (486, 530720), (496, 520020), (535, 482112), (540, 477648), (558, 462240), (576, 447795), (620, 416016), (642, 401760), (648, 398040), (720, 358236), (744, 346680), (810, 318432), (837, 308160), (856, 301320), (864, 298530), (930, 277344), (960, 268677), (963, 267840), (972, 265360), (992, 260010), (1070, 241056), (1080, 238824), (1116, 231120), (1215, 212288), (1240, 208008), (1284, 200880), (1296, 199020), (1395, 184896), (1440, 179118), (1488, 173340), (1605, 160704), (1620, 159216), (1674, 154080), (1712, 150660), (1728, 149265), (1860, 138672), (1926, 133920), (1944, 132680), (1984, 130005), (2140, 120528), (2160, 119412), (2232, 115560), (2430, 106144), (2480, 104004), (2511, 102720), (2568, 100440), (2592, 99510), (2790, 92448), (2880, 89559), (2889, 89280), (2976, 86670), (3210, 80352), (3240, 79608), (3317, 77760), (3348, 77040), (3424, 75330), (3720, 69336), (3852, 66960), (3888, 66340), (4185, 61632), (4280, 60264), (4320, 59706), (4464, 57780), (4815, 53568), (4860, 53072), (4960, 52002), (5022, 51360), (5136, 50220), (5184, 49755), (5580, 46224), (5778, 44640), (5952, 43335), (6420, 40176), (6480, 39804), (6634, 38880), (6696, 38520), (6848, 37665), (7440, 34668), (7533, 34240), (7704, 33480), (7776, 33170), (8370, 30816), (8560, 30132), (8640, 29853), (8667, 29760), (8928, 28890), (9630, 26784), (9720, 26536), (9920, 26001), (9951, 25920), (10044, 25680), (10272, 25110), (11160, 23112), (11556, 22320), (12555, 20544), (12840, 20088), (12960, 19902), (13268, 19440), (13392, 19260), (14445, 17856), (14880, 17334), (15066, 17120), (15408, 16740), (15552, 16585)]