About the Number

1216385280

1216385279 ← → 1216385281

2進数表記:1001000100000001001000100000000

漢数字表記:十二億千六百三十八万五千二百八十

素因数分解:

2 8 × 3 2 × 5 1 × 11 1 × 29 1 × 331 1

素因数の和:398
約数の個数: 432
約数和(自身を含む): 4763828160
約数和(自身を除く): 3547442880

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 29, 30, 32, 33, 36, 40, 44, 45, 48, 55, 58, 60, 64, 66, 72, 80, 87, 88, 90, 96, 99, 110, 116, 120, 128, 132, 144, 145, 160, 165, 174, 176, 180, 192, 198, 220, 232, 240, 256, 261, 264, 288, 290, 319, 320, 330, 331, 348, 352, 360, 384, 396, 435, 440, 464, 480, 495, 522, 528, 576, 580, 638, 640, 660, 662, 696, 704, 720, 768, 792, 870, 880, 928, 957, 960, 990, 993, 1044, 1056, 1152, 1160, 1276, 1280, 1305, 1320, 1324, 1392, 1408, 1440, 1584, 1595, 1655, 1740, 1760, 1856, 1914, 1920, 1980, 1986, 2088, 2112, 2304, 2320, 2552, 2610, 2640, 2648, 2784, 2816, 2871, 2880, 2979, 3168, 3190, 3310, 3480, 3520, 3641, 3712, 3828, 3840, 3960, 3972, 4176, 4224, 4640, 4785, 4965, 5104, 5220, 5280, 5296, 5568, 5742, 5760, 5958, 6336, 6380, 6620, 6960, 7040, 7282, 7424, 7656, 7920, 7944, 8352, 8448, 9280, 9570, 9599, 9930, 10208, 10440, 10560, 10592, 10923, 11136, 11484, 11520, 11916, 12672, 12760, 13240, 13920, 14080, 14355, 14564, 14895, 15312, 15840, 15888, 16704, 18205, 18560, 19140, 19198, 19860, 20416, 20880, 21120, 21184, 21846, 22272, 22968, 23832, 25344, 25520, 26480, 27840, 28710, 28797, 29128, 29790, 30624, 31680, 31776, 32769, 33408, 36410, 37120, 38280, 38396, 39720, 40832, 41760, 42240, 42368, 43692, 45936, 47664, 47995, 51040, 52960, 54615, 55680, 57420, 57594, 58256, 59580, 61248, 63360, 63552, 65538, 66816, 72820, 76560, 76792, 79440, 81664, 83520, 84736, 86391, 87384, 91872, 95328, 95990, 102080, 105589, 105920, 109230, 111360, 114840, 115188, 116512, 119160, 122496, 126720, 127104, 131076, 143985, 145640, 153120, 153584, 158880, 163845, 167040, 172782, 174768, 183744, 190656, 191980, 204160, 211178, 211840, 218460, 229680, 230376, 233024, 238320, 244992, 254208, 262152, 287970, 291280, 306240, 307168, 316767, 317760, 327690, 334080, 345564, 349536, 367488, 381312, 383960, 408320, 422356, 423680, 431955, 436920, 459360, 460752, 466048, 476640, 524304, 527945, 575940, 582560, 612480, 614336, 633534, 635520, 655380, 691128, 699072, 734976, 762624, 767920, 844712, 863910, 873840, 918720, 921504, 932096, 950301, 953280, 1048608, 1055890, 1151880, 1165120, 1224960, 1228672, 1267068, 1271040, 1310760, 1382256, 1398144, 1535840, 1583835, 1689424, 1727820, 1747680, 1837440, 1843008, 1900602, 1906560, 2097216, 2111780, 2303760, 2330240, 2457344, 2534136, 2621520, 2764512, 2796288, 3071680, 3167670, 3378848, 3455640, 3495360, 3674880, 3686016, 3801204, 3813120, 4194432, 4223560, 4607520, 4660480, 4751505, 5068272, 5243040, 5529024, 6143360, 6335340, 6757696, 6911280, 6990720, 7372032, 7602408, 8388864, 8447120, 9215040, 9503010, 10136544, 10486080, 11058048, 12286720, 12670680, 13515392, 13822560, 13981440, 15204816, 16894240, 18430080, 19006020, 20273088, 20972160, 22116096, 25341360, 27030784, 27645120, 30409632, 33788480, 36860160, 38012040, 40546176, 41944320, 50682720, 55290240, 60819264, 67576960, 76024080, 81092352, 101365440, 110580480, 121638528, 135153920, 152048160, 202730880, 243277056, 304096320, 405461760, 608192640, 1216385280]

約数ペア:
[(1, 1216385280), (2, 608192640), (3, 405461760), (4, 304096320), (5, 243277056), (6, 202730880), (8, 152048160), (9, 135153920), (10, 121638528), (11, 110580480), (12, 101365440), (15, 81092352), (16, 76024080), (18, 67576960), (20, 60819264), (22, 55290240), (24, 50682720), (29, 41944320), (30, 40546176), (32, 38012040), (33, 36860160), (36, 33788480), (40, 30409632), (44, 27645120), (45, 27030784), (48, 25341360), (55, 22116096), (58, 20972160), (60, 20273088), (64, 19006020), (66, 18430080), (72, 16894240), (80, 15204816), (87, 13981440), (88, 13822560), (90, 13515392), (96, 12670680), (99, 12286720), (110, 11058048), (116, 10486080), (120, 10136544), (128, 9503010), (132, 9215040), (144, 8447120), (145, 8388864), (160, 7602408), (165, 7372032), (174, 6990720), (176, 6911280), (180, 6757696), (192, 6335340), (198, 6143360), (220, 5529024), (232, 5243040), (240, 5068272), (256, 4751505), (261, 4660480), (264, 4607520), (288, 4223560), (290, 4194432), (319, 3813120), (320, 3801204), (330, 3686016), (331, 3674880), (348, 3495360), (352, 3455640), (360, 3378848), (384, 3167670), (396, 3071680), (435, 2796288), (440, 2764512), (464, 2621520), (480, 2534136), (495, 2457344), (522, 2330240), (528, 2303760), (576, 2111780), (580, 2097216), (638, 1906560), (640, 1900602), (660, 1843008), (662, 1837440), (696, 1747680), (704, 1727820), (720, 1689424), (768, 1583835), (792, 1535840), (870, 1398144), (880, 1382256), (928, 1310760), (957, 1271040), (960, 1267068), (990, 1228672), (993, 1224960), (1044, 1165120), (1056, 1151880), (1152, 1055890), (1160, 1048608), (1276, 953280), (1280, 950301), (1305, 932096), (1320, 921504), (1324, 918720), (1392, 873840), (1408, 863910), (1440, 844712), (1584, 767920), (1595, 762624), (1655, 734976), (1740, 699072), (1760, 691128), (1856, 655380), (1914, 635520), (1920, 633534), (1980, 614336), (1986, 612480), (2088, 582560), (2112, 575940), (2304, 527945), (2320, 524304), (2552, 476640), (2610, 466048), (2640, 460752), (2648, 459360), (2784, 436920), (2816, 431955), (2871, 423680), (2880, 422356), (2979, 408320), (3168, 383960), (3190, 381312), (3310, 367488), (3480, 349536), (3520, 345564), (3641, 334080), (3712, 327690), (3828, 317760), (3840, 316767), (3960, 307168), (3972, 306240), (4176, 291280), (4224, 287970), (4640, 262152), (4785, 254208), (4965, 244992), (5104, 238320), (5220, 233024), (5280, 230376), (5296, 229680), (5568, 218460), (5742, 211840), (5760, 211178), (5958, 204160), (6336, 191980), (6380, 190656), (6620, 183744), (6960, 174768), (7040, 172782), (7282, 167040), (7424, 163845), (7656, 158880), (7920, 153584), (7944, 153120), (8352, 145640), (8448, 143985), (9280, 131076), (9570, 127104), (9599, 126720), (9930, 122496), (10208, 119160), (10440, 116512), (10560, 115188), (10592, 114840), (10923, 111360), (11136, 109230), (11484, 105920), (11520, 105589), (11916, 102080), (12672, 95990), (12760, 95328), (13240, 91872), (13920, 87384), (14080, 86391), (14355, 84736), (14564, 83520), (14895, 81664), (15312, 79440), (15840, 76792), (15888, 76560), (16704, 72820), (18205, 66816), (18560, 65538), (19140, 63552), (19198, 63360), (19860, 61248), (20416, 59580), (20880, 58256), (21120, 57594), (21184, 57420), (21846, 55680), (22272, 54615), (22968, 52960), (23832, 51040), (25344, 47995), (25520, 47664), (26480, 45936), (27840, 43692), (28710, 42368), (28797, 42240), (29128, 41760), (29790, 40832), (30624, 39720), (31680, 38396), (31776, 38280), (32769, 37120), (33408, 36410)]

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