257186160

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4639}}^1$

素因数の和:4676

約数の個数: 240

約数和(自身を含む): 1077073920

約数和(自身を除く): 819887760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3960, 4620, 4639, 5040, 5544, 6160, 6930, 7920, 9240, 9278, 11088, 13860, 13917, 18480, 18556, 23195, 27720, 27834, 32473, 37112, 41751, 46390, 51029, 55440, 55668, 64946, 69585, 74224, 83502, 92780, 97419, 102058, 111336, 129892, 139170, 153087, 162365, 167004, 185560, 194838, 204116, 208755, 222672, 255145, 259784, 278340, 292257, 306174, 324730, 334008, 357203, 371120, 389676, 408232, 417510, 459261, 487095, 510290, 519568, 556680, 584514, 612348, 649460, 668016, 714406, 765435, 779352, 816464, 835020, 918522, 974190, 1020580, 1071609, 1113360, 1169028, 1224696, 1298920, 1428812, 1461285, 1530870, 1558704, 1670040, 1786015, 1837044, 1948380, 2041160, 2143218, 2296305, 2338056, 2449392, 2597840, 2857624, 2922570, 3061740, 3214827, 3340080, 3572030, 3674088, 3896760, 4082320, 4286436, 4592610, 4676112, 5358045, 5715248, 5845140, 6123480, 6429654, 7144060, 7348176, 7793520, 8572872, 9185220, 10716090, 11690280, 12246960, 12859308, 14288120, 16074135, 17145744, 18370440, 21432180, 23380560, 25718616, 28576240, 32148270, 36740880, 42864360, 51437232, 64296540, 85728720, 128593080, 257186160]

約数ペア:

[(1, 257186160), (2, 128593080), (3, 85728720), (4, 64296540), (5, 51437232), (6, 42864360), (7, 36740880), (8, 32148270), (9, 28576240), (10, 25718616), (11, 23380560), (12, 21432180), (14, 18370440), (15, 17145744), (16, 16074135), (18, 14288120), (20, 12859308), (21, 12246960), (22, 11690280), (24, 10716090), (28, 9185220), (30, 8572872), (33, 7793520), (35, 7348176), (36, 7144060), (40, 6429654), (42, 6123480), (44, 5845140), (45, 5715248), (48, 5358045), (55, 4676112), (56, 4592610), (60, 4286436), (63, 4082320), (66, 3896760), (70, 3674088), (72, 3572030), (77, 3340080), (80, 3214827), (84, 3061740), (88, 2922570), (90, 2857624), (99, 2597840), (105, 2449392), (110, 2338056), (112, 2296305), (120, 2143218), (126, 2041160), (132, 1948380), (140, 1837044), (144, 1786015), (154, 1670040), (165, 1558704), (168, 1530870), (176, 1461285), (180, 1428812), (198, 1298920), (210, 1224696), (220, 1169028), (231, 1113360), (240, 1071609), (252, 1020580), (264, 974190), (280, 918522), (308, 835020), (315, 816464), (330, 779352), (336, 765435), (360, 714406), (385, 668016), (396, 649460), (420, 612348), (440, 584514), (462, 556680), (495, 519568), (504, 510290), (528, 487095), (560, 459261), (616, 417510), (630, 408232), (660, 389676), (693, 371120), (720, 357203), (770, 334008), (792, 324730), (840, 306174), (880, 292257), (924, 278340), (990, 259784), (1008, 255145), (1155, 222672), (1232, 208755), (1260, 204116), (1320, 194838), (1386, 185560), (1540, 167004), (1584, 162365), (1680, 153087), (1848, 139170), (1980, 129892), (2310, 111336), (2520, 102058), (2640, 97419), (2772, 92780), (3080, 83502), (3465, 74224), (3696, 69585), (3960, 64946), (4620, 55668), (4639, 55440), (5040, 51029), (5544, 46390), (6160, 41751), (6930, 37112), (7920, 32473), (9240, 27834), (9278, 27720), (11088, 23195), (13860, 18556), (13917, 18480)]