247885920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:675

約数の個数: 240

約数和(自身を含む): 904514688

約数和(自身を除く): 656628768

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, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 240, 248, 270, 279, 288, 310, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 617, 620, 648, 720, 744, 810, 837, 864, 930, 992, 1080, 1116, 1234, 1240, 1296, 1395, 1440, 1488, 1620, 1674, 1851, 1860, 2160, 2232, 2468, 2480, 2511, 2592, 2790, 2976, 3085, 3240, 3348, 3702, 3720, 4185, 4320, 4464, 4936, 4960, 5022, 5553, 5580, 6170, 6480, 6696, 7404, 7440, 8370, 8928, 9255, 9872, 10044, 11106, 11160, 12340, 12555, 12960, 13392, 14808, 14880, 16659, 16740, 18510, 19127, 19744, 20088, 22212, 22320, 24680, 25110, 26784, 27765, 29616, 33318, 33480, 37020, 38254, 40176, 44424, 44640, 49360, 49977, 50220, 55530, 57381, 59232, 66636, 66960, 74040, 76508, 80352, 83295, 88848, 95635, 98720, 99954, 100440, 111060, 114762, 133272, 133920, 148080, 153016, 166590, 172143, 177696, 191270, 199908, 200880, 222120, 229524, 249885, 266544, 286905, 296160, 306032, 333180, 344286, 382540, 399816, 401760, 444240, 459048, 499770, 516429, 533088, 573810, 612064, 666360, 688572, 765080, 799632, 860715, 888480, 918096, 999540, 1032858, 1147620, 1332720, 1377144, 1530160, 1549287, 1599264, 1721430, 1836192, 1999080, 2065716, 2295240, 2582145, 2665440, 2754288, 3060320, 3098574, 3442860, 3998160, 4131432, 4590480, 5164290, 5508576, 6197148, 6885720, 7746435, 7996320, 8262864, 9180960, 10328580, 12394296, 13771440, 15492870, 16525728, 20657160, 24788592, 27542880, 30985740, 41314320, 49577184, 61971480, 82628640, 123942960, 247885920]

約数ペア:

[(1, 247885920), (2, 123942960), (3, 82628640), (4, 61971480), (5, 49577184), (6, 41314320), (8, 30985740), (9, 27542880), (10, 24788592), (12, 20657160), (15, 16525728), (16, 15492870), (18, 13771440), (20, 12394296), (24, 10328580), (27, 9180960), (30, 8262864), (31, 7996320), (32, 7746435), (36, 6885720), (40, 6197148), (45, 5508576), (48, 5164290), (54, 4590480), (60, 4131432), (62, 3998160), (72, 3442860), (80, 3098574), (81, 3060320), (90, 2754288), (93, 2665440), (96, 2582145), (108, 2295240), (120, 2065716), (124, 1999080), (135, 1836192), (144, 1721430), (155, 1599264), (160, 1549287), (162, 1530160), (180, 1377144), (186, 1332720), (216, 1147620), (240, 1032858), (248, 999540), (270, 918096), (279, 888480), (288, 860715), (310, 799632), (324, 765080), (360, 688572), (372, 666360), (405, 612064), (432, 573810), (465, 533088), (480, 516429), (496, 499770), (540, 459048), (558, 444240), (617, 401760), (620, 399816), (648, 382540), (720, 344286), (744, 333180), (810, 306032), (837, 296160), (864, 286905), (930, 266544), (992, 249885), (1080, 229524), (1116, 222120), (1234, 200880), (1240, 199908), (1296, 191270), (1395, 177696), (1440, 172143), (1488, 166590), (1620, 153016), (1674, 148080), (1851, 133920), (1860, 133272), (2160, 114762), (2232, 111060), (2468, 100440), (2480, 99954), (2511, 98720), (2592, 95635), (2790, 88848), (2976, 83295), (3085, 80352), (3240, 76508), (3348, 74040), (3702, 66960), (3720, 66636), (4185, 59232), (4320, 57381), (4464, 55530), (4936, 50220), (4960, 49977), (5022, 49360), (5553, 44640), (5580, 44424), (6170, 40176), (6480, 38254), (6696, 37020), (7404, 33480), (7440, 33318), (8370, 29616), (8928, 27765), (9255, 26784), (9872, 25110), (10044, 24680), (11106, 22320), (11160, 22212), (12340, 20088), (12555, 19744), (12960, 19127), (13392, 18510), (14808, 16740), (14880, 16659)]