255385440

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1962

約数の個数: 192

約数和(自身を含む): 923166720

約数和(自身を除く): 667781280

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, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 216, 240, 248, 270, 279, 288, 310, 360, 372, 432, 465, 480, 496, 540, 558, 620, 720, 744, 837, 864, 930, 992, 1080, 1116, 1240, 1395, 1440, 1488, 1674, 1860, 1907, 2160, 2232, 2480, 2790, 2976, 3348, 3720, 3814, 4185, 4320, 4464, 4960, 5580, 5721, 6696, 7440, 7628, 8370, 8928, 9535, 11160, 11442, 13392, 14880, 15256, 16740, 17163, 19070, 22320, 22884, 26784, 28605, 30512, 33480, 34326, 38140, 44640, 45768, 51489, 57210, 59117, 61024, 66960, 68652, 76280, 85815, 91536, 102978, 114420, 118234, 133920, 137304, 152560, 171630, 177351, 183072, 205956, 228840, 236468, 257445, 274608, 295585, 305120, 343260, 354702, 411912, 457680, 472936, 514890, 532053, 549216, 591170, 686520, 709404, 823824, 886755, 915360, 945872, 1029780, 1064106, 1182340, 1373040, 1418808, 1596159, 1647648, 1773510, 1891744, 2059560, 2128212, 2364680, 2660265, 2746080, 2837616, 3192318, 3547020, 4119120, 4256424, 4729360, 5320530, 5675232, 6384636, 7094040, 7980795, 8238240, 8512848, 9458720, 10641060, 12769272, 14188080, 15961590, 17025696, 21282120, 25538544, 28376160, 31923180, 42564240, 51077088, 63846360, 85128480, 127692720, 255385440]

約数ペア:

[(1, 255385440), (2, 127692720), (3, 85128480), (4, 63846360), (5, 51077088), (6, 42564240), (8, 31923180), (9, 28376160), (10, 25538544), (12, 21282120), (15, 17025696), (16, 15961590), (18, 14188080), (20, 12769272), (24, 10641060), (27, 9458720), (30, 8512848), (31, 8238240), (32, 7980795), (36, 7094040), (40, 6384636), (45, 5675232), (48, 5320530), (54, 4729360), (60, 4256424), (62, 4119120), (72, 3547020), (80, 3192318), (90, 2837616), (93, 2746080), (96, 2660265), (108, 2364680), (120, 2128212), (124, 2059560), (135, 1891744), (144, 1773510), (155, 1647648), (160, 1596159), (180, 1418808), (186, 1373040), (216, 1182340), (240, 1064106), (248, 1029780), (270, 945872), (279, 915360), (288, 886755), (310, 823824), (360, 709404), (372, 686520), (432, 591170), (465, 549216), (480, 532053), (496, 514890), (540, 472936), (558, 457680), (620, 411912), (720, 354702), (744, 343260), (837, 305120), (864, 295585), (930, 274608), (992, 257445), (1080, 236468), (1116, 228840), (1240, 205956), (1395, 183072), (1440, 177351), (1488, 171630), (1674, 152560), (1860, 137304), (1907, 133920), (2160, 118234), (2232, 114420), (2480, 102978), (2790, 91536), (2976, 85815), (3348, 76280), (3720, 68652), (3814, 66960), (4185, 61024), (4320, 59117), (4464, 57210), (4960, 51489), (5580, 45768), (5721, 44640), (6696, 38140), (7440, 34326), (7628, 33480), (8370, 30512), (8928, 28605), (9535, 26784), (11160, 22884), (11442, 22320), (13392, 19070), (14880, 17163), (15256, 16740)]