1280897280

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2851}}^1$

素因数の和:2894

約数の個数: 288

約数和(自身を含む): 4896769920

約数和(自身を除く): 3615872640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 256, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 702, 720, 768, 780, 832, 864, 936, 960, 1040, 1080, 1152, 1170, 1248, 1280, 1404, 1440, 1560, 1664, 1728, 1755, 1872, 1920, 2080, 2160, 2304, 2340, 2496, 2808, 2851, 2880, 3120, 3328, 3456, 3510, 3744, 3840, 4160, 4320, 4680, 4992, 5616, 5702, 5760, 6240, 6912, 7020, 7488, 8320, 8553, 8640, 9360, 9984, 11232, 11404, 11520, 12480, 14040, 14255, 14976, 16640, 17106, 17280, 18720, 22464, 22808, 24960, 25659, 28080, 28510, 29952, 34212, 34560, 37063, 37440, 42765, 44928, 45616, 49920, 51318, 56160, 57020, 68424, 74126, 74880, 76977, 85530, 89856, 91232, 102636, 111189, 112320, 114040, 128295, 136848, 148252, 149760, 153954, 171060, 182464, 185315, 205272, 222378, 224640, 228080, 256590, 273696, 296504, 307908, 333567, 342120, 364928, 370630, 384885, 410544, 444756, 449280, 456160, 513180, 547392, 555945, 593008, 615816, 667134, 684240, 729856, 741260, 769770, 821088, 889512, 912320, 1000701, 1026360, 1094784, 1111890, 1186016, 1231632, 1334268, 1368480, 1482520, 1539540, 1642176, 1667835, 1779024, 1824640, 2001402, 2052720, 2189568, 2223780, 2372032, 2463264, 2668536, 2736960, 2965040, 3079080, 3284352, 3335670, 3558048, 3649280, 4002804, 4105440, 4447560, 4744064, 4926528, 5003505, 5337072, 5473920, 5930080, 6158160, 6568704, 6671340, 7116096, 8005608, 8210880, 8895120, 9488128, 9853056, 10007010, 10674144, 10947840, 11860160, 12316320, 13342680, 14232192, 16011216, 16421760, 17790240, 19706112, 20014020, 21348288, 23720320, 24632640, 26685360, 28464384, 32022432, 32843520, 35580480, 40028040, 42696576, 47440640, 49265280, 53370720, 64044864, 71160960, 80056080, 85393152, 98530560, 106741440, 128089728, 142321920, 160112160, 213482880, 256179456, 320224320, 426965760, 640448640, 1280897280]

約数ペア:

[(1, 1280897280), (2, 640448640), (3, 426965760), (4, 320224320), (5, 256179456), (6, 213482880), (8, 160112160), (9, 142321920), (10, 128089728), (12, 106741440), (13, 98530560), (15, 85393152), (16, 80056080), (18, 71160960), (20, 64044864), (24, 53370720), (26, 49265280), (27, 47440640), (30, 42696576), (32, 40028040), (36, 35580480), (39, 32843520), (40, 32022432), (45, 28464384), (48, 26685360), (52, 24632640), (54, 23720320), (60, 21348288), (64, 20014020), (65, 19706112), (72, 17790240), (78, 16421760), (80, 16011216), (90, 14232192), (96, 13342680), (104, 12316320), (108, 11860160), (117, 10947840), (120, 10674144), (128, 10007010), (130, 9853056), (135, 9488128), (144, 8895120), (156, 8210880), (160, 8005608), (180, 7116096), (192, 6671340), (195, 6568704), (208, 6158160), (216, 5930080), (234, 5473920), (240, 5337072), (256, 5003505), (260, 4926528), (270, 4744064), (288, 4447560), (312, 4105440), (320, 4002804), (351, 3649280), (360, 3558048), (384, 3335670), (390, 3284352), (416, 3079080), (432, 2965040), (468, 2736960), (480, 2668536), (520, 2463264), (540, 2372032), (576, 2223780), (585, 2189568), (624, 2052720), (640, 2001402), (702, 1824640), (720, 1779024), (768, 1667835), (780, 1642176), (832, 1539540), (864, 1482520), (936, 1368480), (960, 1334268), (1040, 1231632), (1080, 1186016), (1152, 1111890), (1170, 1094784), (1248, 1026360), (1280, 1000701), (1404, 912320), (1440, 889512), (1560, 821088), (1664, 769770), (1728, 741260), (1755, 729856), (1872, 684240), (1920, 667134), (2080, 615816), (2160, 593008), (2304, 555945), (2340, 547392), (2496, 513180), (2808, 456160), (2851, 449280), (2880, 444756), (3120, 410544), (3328, 384885), (3456, 370630), (3510, 364928), (3744, 342120), (3840, 333567), (4160, 307908), (4320, 296504), (4680, 273696), (4992, 256590), (5616, 228080), (5702, 224640), (5760, 222378), (6240, 205272), (6912, 185315), (7020, 182464), (7488, 171060), (8320, 153954), (8553, 149760), (8640, 148252), (9360, 136848), (9984, 128295), (11232, 114040), (11404, 112320), (11520, 111189), (12480, 102636), (14040, 91232), (14255, 89856), (14976, 85530), (16640, 76977), (17106, 74880), (17280, 74126), (18720, 68424), (22464, 57020), (22808, 56160), (24960, 51318), (25659, 49920), (28080, 45616), (28510, 44928), (29952, 42765), (34212, 37440), (34560, 37063)]