About the Number

1231001280

1231001279 ← → 1231001281

2進数表記:1001001010111111001011011000000

漢数字表記:十二億三千百万千二百八十

素因数分解:

2 6 × 3 3 × 5 1 × 17 3 × 29 1

素因数の和:106
約数の個数: 448
約数和(自身を含む): 4773168000
約数和(自身を除く): 3542166720

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 29, 30, 32, 34, 36, 40, 45, 48, 51, 54, 58, 60, 64, 68, 72, 80, 85, 87, 90, 96, 102, 108, 116, 120, 135, 136, 144, 145, 153, 160, 170, 174, 180, 192, 204, 216, 232, 240, 255, 261, 270, 272, 288, 289, 290, 306, 320, 340, 348, 360, 408, 432, 435, 459, 464, 480, 493, 510, 522, 540, 544, 576, 578, 580, 612, 680, 696, 720, 765, 783, 816, 864, 867, 870, 918, 928, 960, 986, 1020, 1044, 1080, 1088, 1156, 1160, 1224, 1305, 1360, 1392, 1440, 1445, 1479, 1530, 1566, 1632, 1728, 1734, 1740, 1836, 1856, 1972, 2040, 2088, 2160, 2295, 2312, 2320, 2448, 2465, 2601, 2610, 2720, 2784, 2880, 2890, 2958, 3060, 3132, 3264, 3468, 3480, 3672, 3915, 3944, 4080, 4176, 4320, 4335, 4437, 4590, 4624, 4640, 4896, 4913, 4930, 5202, 5220, 5440, 5568, 5780, 5916, 6120, 6264, 6936, 6960, 7344, 7395, 7803, 7830, 7888, 8160, 8352, 8381, 8640, 8670, 8874, 9180, 9248, 9280, 9792, 9826, 9860, 10404, 10440, 11560, 11832, 12240, 12528, 13005, 13311, 13872, 13920, 14688, 14739, 14790, 15606, 15660, 15776, 16320, 16704, 16762, 17340, 17748, 18360, 18496, 19652, 19720, 20808, 20880, 22185, 23120, 23664, 24480, 24565, 25056, 25143, 26010, 26622, 27744, 27840, 29376, 29478, 29580, 31212, 31320, 31552, 33524, 34680, 35496, 36720, 39015, 39304, 39440, 41616, 41760, 41905, 44217, 44370, 46240, 47328, 48960, 49130, 50112, 50286, 52020, 53244, 55488, 58956, 59160, 62424, 62640, 66555, 67048, 69360, 70992, 73440, 73695, 75429, 78030, 78608, 78880, 83232, 83520, 83810, 88434, 88740, 92480, 94656, 98260, 100572, 104040, 106488, 117912, 118320, 124848, 125280, 125715, 132651, 133110, 134096, 138720, 141984, 142477, 146880, 147390, 150858, 156060, 157216, 157760, 166464, 167620, 176868, 177480, 196520, 201144, 208080, 212976, 221085, 226287, 235824, 236640, 249696, 250560, 251430, 265302, 266220, 268192, 277440, 283968, 284954, 294780, 301716, 312120, 314432, 335240, 353736, 354960, 377145, 393040, 402288, 416160, 425952, 427431, 442170, 452574, 471648, 473280, 499392, 502860, 530604, 532440, 536384, 569908, 589560, 603432, 624240, 663255, 670480, 707472, 709920, 712385, 754290, 786080, 804576, 832320, 851904, 854862, 884340, 905148, 943296, 1005720, 1061208, 1064880, 1131435, 1139816, 1179120, 1206864, 1248480, 1282293, 1326510, 1340960, 1414944, 1419840, 1424770, 1508580, 1572160, 1609152, 1709724, 1768680, 1810296, 2011440, 2122416, 2129760, 2137155, 2262870, 2279632, 2358240, 2413728, 2496960, 2564586, 2653020, 2681920, 2829888, 2849540, 3017160, 3419448, 3537360, 3620592, 3846879, 4022880, 4244832, 4259520, 4274310, 4525740, 4559264, 4716480, 4827456, 5129172, 5306040, 5699080, 6034320, 6411465, 6838896, 7074720, 7241184, 7693758, 8045760, 8489664, 8548620, 9051480, 9118528, 10258344, 10612080, 11398160, 12068640, 12822930, 13677792, 14149440, 14482368, 15387516, 17097240, 18102960, 19234395, 20516688, 21224160, 22796320, 24137280, 25645860, 27355584, 30775032, 34194480, 36205920, 38468790, 41033376, 42448320, 45592640, 51291720, 61550064, 68388960, 72411840, 76937580, 82066752, 102583440, 123100128, 136777920, 153875160, 205166880, 246200256, 307750320, 410333760, 615500640, 1231001280]

約数ペア:
[(1, 1231001280), (2, 615500640), (3, 410333760), (4, 307750320), (5, 246200256), (6, 205166880), (8, 153875160), (9, 136777920), (10, 123100128), (12, 102583440), (15, 82066752), (16, 76937580), (17, 72411840), (18, 68388960), (20, 61550064), (24, 51291720), (27, 45592640), (29, 42448320), (30, 41033376), (32, 38468790), (34, 36205920), (36, 34194480), (40, 30775032), (45, 27355584), (48, 25645860), (51, 24137280), (54, 22796320), (58, 21224160), (60, 20516688), (64, 19234395), (68, 18102960), (72, 17097240), (80, 15387516), (85, 14482368), (87, 14149440), (90, 13677792), (96, 12822930), (102, 12068640), (108, 11398160), (116, 10612080), (120, 10258344), (135, 9118528), (136, 9051480), (144, 8548620), (145, 8489664), (153, 8045760), (160, 7693758), (170, 7241184), (174, 7074720), (180, 6838896), (192, 6411465), (204, 6034320), (216, 5699080), (232, 5306040), (240, 5129172), (255, 4827456), (261, 4716480), (270, 4559264), (272, 4525740), (288, 4274310), (289, 4259520), (290, 4244832), (306, 4022880), (320, 3846879), (340, 3620592), (348, 3537360), (360, 3419448), (408, 3017160), (432, 2849540), (435, 2829888), (459, 2681920), (464, 2653020), (480, 2564586), (493, 2496960), (510, 2413728), (522, 2358240), (540, 2279632), (544, 2262870), (576, 2137155), (578, 2129760), (580, 2122416), (612, 2011440), (680, 1810296), (696, 1768680), (720, 1709724), (765, 1609152), (783, 1572160), (816, 1508580), (864, 1424770), (867, 1419840), (870, 1414944), (918, 1340960), (928, 1326510), (960, 1282293), (986, 1248480), (1020, 1206864), (1044, 1179120), (1080, 1139816), (1088, 1131435), (1156, 1064880), (1160, 1061208), (1224, 1005720), (1305, 943296), (1360, 905148), (1392, 884340), (1440, 854862), (1445, 851904), (1479, 832320), (1530, 804576), (1566, 786080), (1632, 754290), (1728, 712385), (1734, 709920), (1740, 707472), (1836, 670480), (1856, 663255), (1972, 624240), (2040, 603432), (2088, 589560), (2160, 569908), (2295, 536384), (2312, 532440), (2320, 530604), (2448, 502860), (2465, 499392), (2601, 473280), (2610, 471648), (2720, 452574), (2784, 442170), (2880, 427431), (2890, 425952), (2958, 416160), (3060, 402288), (3132, 393040), (3264, 377145), (3468, 354960), (3480, 353736), (3672, 335240), (3915, 314432), (3944, 312120), (4080, 301716), (4176, 294780), (4320, 284954), (4335, 283968), (4437, 277440), (4590, 268192), (4624, 266220), (4640, 265302), (4896, 251430), (4913, 250560), (4930, 249696), (5202, 236640), (5220, 235824), (5440, 226287), (5568, 221085), (5780, 212976), (5916, 208080), (6120, 201144), (6264, 196520), (6936, 177480), (6960, 176868), (7344, 167620), (7395, 166464), (7803, 157760), (7830, 157216), (7888, 156060), (8160, 150858), (8352, 147390), (8381, 146880), (8640, 142477), (8670, 141984), (8874, 138720), (9180, 134096), (9248, 133110), (9280, 132651), (9792, 125715), (9826, 125280), (9860, 124848), (10404, 118320), (10440, 117912), (11560, 106488), (11832, 104040), (12240, 100572), (12528, 98260), (13005, 94656), (13311, 92480), (13872, 88740), (13920, 88434), (14688, 83810), (14739, 83520), (14790, 83232), (15606, 78880), (15660, 78608), (15776, 78030), (16320, 75429), (16704, 73695), (16762, 73440), (17340, 70992), (17748, 69360), (18360, 67048), (18496, 66555), (19652, 62640), (19720, 62424), (20808, 59160), (20880, 58956), (22185, 55488), (23120, 53244), (23664, 52020), (24480, 50286), (24565, 50112), (25056, 49130), (25143, 48960), (26010, 47328), (26622, 46240), (27744, 44370), (27840, 44217), (29376, 41905), (29478, 41760), (29580, 41616), (31212, 39440), (31320, 39304), (31552, 39015), (33524, 36720), (34680, 35496)]

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