28781280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 288

約数和(自身を含む): 113218560

約数和(自身を除く): 84437280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 23, 24, 30, 32, 33, 36, 40, 44, 45, 46, 48, 55, 60, 66, 69, 72, 79, 80, 88, 90, 92, 96, 99, 110, 115, 120, 132, 138, 144, 158, 160, 165, 176, 180, 184, 198, 207, 220, 230, 237, 240, 253, 264, 276, 288, 316, 330, 345, 352, 360, 368, 395, 396, 414, 440, 460, 474, 480, 495, 506, 528, 552, 632, 660, 690, 711, 720, 736, 759, 790, 792, 828, 869, 880, 920, 948, 990, 1012, 1035, 1056, 1104, 1185, 1264, 1265, 1320, 1380, 1422, 1440, 1518, 1580, 1584, 1656, 1738, 1760, 1817, 1840, 1896, 1980, 2024, 2070, 2208, 2277, 2370, 2528, 2530, 2607, 2640, 2760, 2844, 3036, 3160, 3168, 3312, 3476, 3555, 3634, 3680, 3792, 3795, 3960, 4048, 4140, 4345, 4554, 4740, 5060, 5214, 5280, 5451, 5520, 5688, 6072, 6320, 6624, 6952, 7110, 7268, 7584, 7590, 7821, 7920, 8096, 8280, 8690, 9085, 9108, 9480, 10120, 10428, 10902, 11040, 11376, 11385, 12144, 12640, 13035, 13904, 14220, 14536, 15180, 15642, 15840, 16353, 16560, 17380, 18170, 18216, 18960, 19987, 20240, 20856, 21804, 22752, 22770, 24288, 26070, 27255, 27808, 28440, 29072, 30360, 31284, 32706, 33120, 34760, 36340, 36432, 37920, 39105, 39974, 40480, 41712, 43608, 45540, 52140, 54510, 56880, 58144, 59961, 60720, 62568, 65412, 69520, 72680, 72864, 78210, 79948, 81765, 83424, 87216, 91080, 99935, 104280, 109020, 113760, 119922, 121440, 125136, 130824, 139040, 145360, 156420, 159896, 163530, 174432, 179883, 182160, 199870, 208560, 218040, 239844, 250272, 261648, 290720, 299805, 312840, 319792, 327060, 359766, 364320, 399740, 417120, 436080, 479688, 523296, 599610, 625680, 639584, 654120, 719532, 799480, 872160, 899415, 959376, 1199220, 1251360, 1308240, 1439064, 1598960, 1798830, 1918752, 2398440, 2616480, 2878128, 3197920, 3597660, 4796880, 5756256, 7195320, 9593760, 14390640, 28781280]

約数ペア:

[(1, 28781280), (2, 14390640), (3, 9593760), (4, 7195320), (5, 5756256), (6, 4796880), (8, 3597660), (9, 3197920), (10, 2878128), (11, 2616480), (12, 2398440), (15, 1918752), (16, 1798830), (18, 1598960), (20, 1439064), (22, 1308240), (23, 1251360), (24, 1199220), (30, 959376), (32, 899415), (33, 872160), (36, 799480), (40, 719532), (44, 654120), (45, 639584), (46, 625680), (48, 599610), (55, 523296), (60, 479688), (66, 436080), (69, 417120), (72, 399740), (79, 364320), (80, 359766), (88, 327060), (90, 319792), (92, 312840), (96, 299805), (99, 290720), (110, 261648), (115, 250272), (120, 239844), (132, 218040), (138, 208560), (144, 199870), (158, 182160), (160, 179883), (165, 174432), (176, 163530), (180, 159896), (184, 156420), (198, 145360), (207, 139040), (220, 130824), (230, 125136), (237, 121440), (240, 119922), (253, 113760), (264, 109020), (276, 104280), (288, 99935), (316, 91080), (330, 87216), (345, 83424), (352, 81765), (360, 79948), (368, 78210), (395, 72864), (396, 72680), (414, 69520), (440, 65412), (460, 62568), (474, 60720), (480, 59961), (495, 58144), (506, 56880), (528, 54510), (552, 52140), (632, 45540), (660, 43608), (690, 41712), (711, 40480), (720, 39974), (736, 39105), (759, 37920), (790, 36432), (792, 36340), (828, 34760), (869, 33120), (880, 32706), (920, 31284), (948, 30360), (990, 29072), (1012, 28440), (1035, 27808), (1056, 27255), (1104, 26070), (1185, 24288), (1264, 22770), (1265, 22752), (1320, 21804), (1380, 20856), (1422, 20240), (1440, 19987), (1518, 18960), (1580, 18216), (1584, 18170), (1656, 17380), (1738, 16560), (1760, 16353), (1817, 15840), (1840, 15642), (1896, 15180), (1980, 14536), (2024, 14220), (2070, 13904), (2208, 13035), (2277, 12640), (2370, 12144), (2528, 11385), (2530, 11376), (2607, 11040), (2640, 10902), (2760, 10428), (2844, 10120), (3036, 9480), (3160, 9108), (3168, 9085), (3312, 8690), (3476, 8280), (3555, 8096), (3634, 7920), (3680, 7821), (3792, 7590), (3795, 7584), (3960, 7268), (4048, 7110), (4140, 6952), (4345, 6624), (4554, 6320), (4740, 6072), (5060, 5688), (5214, 5520), (5280, 5451)]