256925520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1335

約数の個数: 200

約数和(自身を含む): 921845760

約数和(自身を除く): 664920240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 248, 270, 279, 310, 324, 360, 372, 405, 432, 465, 496, 540, 558, 620, 648, 720, 744, 810, 837, 930, 1080, 1116, 1240, 1279, 1296, 1395, 1488, 1620, 1674, 1860, 2160, 2232, 2480, 2511, 2558, 2790, 3240, 3348, 3720, 3837, 4185, 4464, 5022, 5116, 5580, 6395, 6480, 6696, 7440, 7674, 8370, 10044, 10232, 11160, 11511, 12555, 12790, 13392, 15348, 16740, 19185, 20088, 20464, 22320, 23022, 25110, 25580, 30696, 33480, 34533, 38370, 39649, 40176, 46044, 50220, 51160, 57555, 61392, 66960, 69066, 76740, 79298, 92088, 100440, 102320, 103599, 115110, 118947, 138132, 153480, 158596, 172665, 184176, 198245, 200880, 207198, 230220, 237894, 276264, 306960, 317192, 345330, 356841, 396490, 414396, 460440, 475788, 517995, 552528, 594735, 634384, 690660, 713682, 792980, 828792, 920880, 951576, 1035990, 1070523, 1189470, 1381320, 1427364, 1585960, 1657584, 1784205, 1903152, 2071980, 2141046, 2378940, 2762640, 2854728, 3171920, 3211569, 3568410, 4143960, 4282092, 4757880, 5352615, 5709456, 6423138, 7136820, 8287920, 8564184, 9515760, 10705230, 12846276, 14273640, 16057845, 17128368, 21410460, 25692552, 28547280, 32115690, 42820920, 51385104, 64231380, 85641840, 128462760, 256925520]

約数ペア:

[(1, 256925520), (2, 128462760), (3, 85641840), (4, 64231380), (5, 51385104), (6, 42820920), (8, 32115690), (9, 28547280), (10, 25692552), (12, 21410460), (15, 17128368), (16, 16057845), (18, 14273640), (20, 12846276), (24, 10705230), (27, 9515760), (30, 8564184), (31, 8287920), (36, 7136820), (40, 6423138), (45, 5709456), (48, 5352615), (54, 4757880), (60, 4282092), (62, 4143960), (72, 3568410), (80, 3211569), (81, 3171920), (90, 2854728), (93, 2762640), (108, 2378940), (120, 2141046), (124, 2071980), (135, 1903152), (144, 1784205), (155, 1657584), (162, 1585960), (180, 1427364), (186, 1381320), (216, 1189470), (240, 1070523), (248, 1035990), (270, 951576), (279, 920880), (310, 828792), (324, 792980), (360, 713682), (372, 690660), (405, 634384), (432, 594735), (465, 552528), (496, 517995), (540, 475788), (558, 460440), (620, 414396), (648, 396490), (720, 356841), (744, 345330), (810, 317192), (837, 306960), (930, 276264), (1080, 237894), (1116, 230220), (1240, 207198), (1279, 200880), (1296, 198245), (1395, 184176), (1488, 172665), (1620, 158596), (1674, 153480), (1860, 138132), (2160, 118947), (2232, 115110), (2480, 103599), (2511, 102320), (2558, 100440), (2790, 92088), (3240, 79298), (3348, 76740), (3720, 69066), (3837, 66960), (4185, 61392), (4464, 57555), (5022, 51160), (5116, 50220), (5580, 46044), (6395, 40176), (6480, 39649), (6696, 38370), (7440, 34533), (7674, 33480), (8370, 30696), (10044, 25580), (10232, 25110), (11160, 23022), (11511, 22320), (12555, 20464), (12790, 20088), (13392, 19185), (15348, 16740)]