261221760

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{5039}}^1$

素因数の和:5070

約数の個数: 160

約数和(自身を含む): 933055200

約数和(自身を除く): 671833440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4320, 5039, 5184, 5760, 6480, 8640, 10078, 10368, 12960, 15117, 17280, 20156, 25195, 25920, 30234, 40312, 45351, 50390, 51840, 60468, 75585, 80624, 90702, 100780, 120936, 136053, 151170, 161248, 181404, 201560, 226755, 241872, 272106, 302340, 322496, 362808, 403120, 408159, 453510, 483744, 544212, 604680, 644992, 680265, 725616, 806240, 816318, 907020, 967488, 1088424, 1209360, 1360530, 1451232, 1612480, 1632636, 1814040, 1934976, 2040795, 2176848, 2418720, 2721060, 2902464, 3224960, 3265272, 3628080, 4081590, 4353696, 4837440, 5442120, 5804928, 6530544, 7256160, 8163180, 8707392, 9674880, 10884240, 13061088, 14512320, 16326360, 17414784, 21768480, 26122176, 29024640, 32652720, 43536960, 52244352, 65305440, 87073920, 130610880, 261221760]

約数ペア:

[(1, 261221760), (2, 130610880), (3, 87073920), (4, 65305440), (5, 52244352), (6, 43536960), (8, 32652720), (9, 29024640), (10, 26122176), (12, 21768480), (15, 17414784), (16, 16326360), (18, 14512320), (20, 13061088), (24, 10884240), (27, 9674880), (30, 8707392), (32, 8163180), (36, 7256160), (40, 6530544), (45, 5804928), (48, 5442120), (54, 4837440), (60, 4353696), (64, 4081590), (72, 3628080), (80, 3265272), (81, 3224960), (90, 2902464), (96, 2721060), (108, 2418720), (120, 2176848), (128, 2040795), (135, 1934976), (144, 1814040), (160, 1632636), (162, 1612480), (180, 1451232), (192, 1360530), (216, 1209360), (240, 1088424), (270, 967488), (288, 907020), (320, 816318), (324, 806240), (360, 725616), (384, 680265), (405, 644992), (432, 604680), (480, 544212), (540, 483744), (576, 453510), (640, 408159), (648, 403120), (720, 362808), (810, 322496), (864, 302340), (960, 272106), (1080, 241872), (1152, 226755), (1296, 201560), (1440, 181404), (1620, 161248), (1728, 151170), (1920, 136053), (2160, 120936), (2592, 100780), (2880, 90702), (3240, 80624), (3456, 75585), (4320, 60468), (5039, 51840), (5184, 50390), (5760, 45351), (6480, 40312), (8640, 30234), (10078, 25920), (10368, 25195), (12960, 20156), (15117, 17280)]