1280862720

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 480

約数和(自身を含む): 4825941120

約数和(自身を除く): 3545078400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 71, 72, 80, 81, 87, 90, 96, 108, 116, 120, 128, 135, 142, 144, 145, 160, 162, 174, 180, 192, 213, 216, 232, 240, 243, 256, 261, 270, 284, 288, 290, 320, 324, 348, 355, 360, 384, 405, 426, 432, 435, 464, 480, 486, 512, 522, 540, 568, 576, 580, 639, 640, 648, 696, 710, 720, 768, 783, 810, 852, 864, 870, 928, 960, 972, 1044, 1065, 1080, 1136, 1152, 1160, 1215, 1278, 1280, 1296, 1305, 1392, 1420, 1440, 1536, 1566, 1620, 1704, 1728, 1740, 1856, 1917, 1920, 1944, 2059, 2088, 2130, 2160, 2272, 2304, 2320, 2349, 2430, 2556, 2560, 2592, 2610, 2784, 2840, 2880, 3132, 3195, 3240, 3408, 3456, 3480, 3712, 3834, 3840, 3888, 3915, 4118, 4176, 4260, 4320, 4544, 4608, 4640, 4698, 4860, 5112, 5184, 5220, 5568, 5680, 5751, 5760, 6177, 6264, 6390, 6480, 6816, 6912, 6960, 7047, 7424, 7668, 7680, 7776, 7830, 8236, 8352, 8520, 8640, 9088, 9280, 9396, 9585, 9720, 10224, 10295, 10368, 10440, 11136, 11360, 11502, 11520, 11745, 12354, 12528, 12780, 12960, 13632, 13824, 13920, 14094, 14848, 15336, 15552, 15660, 16472, 16704, 17040, 17253, 17280, 18176, 18531, 18560, 18792, 19170, 19440, 20448, 20590, 20736, 20880, 22272, 22720, 23004, 23040, 23490, 24708, 25056, 25560, 25920, 27264, 27840, 28188, 28755, 30672, 30885, 31104, 31320, 32944, 33408, 34080, 34506, 34560, 35235, 36352, 37062, 37120, 37584, 38340, 38880, 40896, 41180, 41472, 41760, 44544, 45440, 46008, 46980, 49416, 50112, 51120, 51840, 54528, 55593, 55680, 56376, 57510, 61344, 61770, 62208, 62640, 65888, 66816, 68160, 69012, 69120, 70470, 74124, 74240, 75168, 76680, 77760, 81792, 82360, 83520, 86265, 90880, 92016, 92655, 93960, 98832, 100224, 102240, 103680, 109056, 111186, 111360, 112752, 115020, 122688, 123540, 124416, 125280, 131776, 133632, 136320, 138024, 140940, 148248, 150336, 153360, 155520, 163584, 164720, 166779, 167040, 172530, 181760, 184032, 185310, 187920, 197664, 200448, 204480, 207360, 222372, 222720, 225504, 230040, 245376, 247080, 250560, 263552, 272640, 276048, 277965, 281880, 296496, 300672, 306720, 311040, 327168, 329440, 333558, 334080, 345060, 368064, 370620, 375840, 395328, 400896, 408960, 444744, 451008, 460080, 490752, 494160, 500337, 501120, 527104, 545280, 552096, 555930, 563760, 592992, 601344, 613440, 622080, 658880, 667116, 668160, 690120, 736128, 741240, 751680, 790656, 817920, 833895, 889488, 902016, 920160, 981504, 988320, 1000674, 1002240, 1054208, 1104192, 1111860, 1127520, 1185984, 1202688, 1226880, 1317760, 1334232, 1380240, 1472256, 1482480, 1503360, 1581312, 1635840, 1667790, 1778976, 1804032, 1840320, 1976640, 2001348, 2004480, 2208384, 2223720, 2255040, 2371968, 2453760, 2501685, 2635520, 2668464, 2760480, 2944512, 2964960, 3006720, 3162624, 3335580, 3557952, 3608064, 3680640, 3953280, 4002696, 4416768, 4447440, 4510080, 4743936, 4907520, 5003370, 5271040, 5336928, 5520960, 5929920, 6013440, 6671160, 7115904, 7361280, 7906560, 8005392, 8833536, 8894880, 9020160, 9487872, 10006740, 10673856, 11041920, 11859840, 13342320, 14231808, 14722560, 15813120, 16010784, 17789760, 18040320, 20013480, 21347712, 22083840, 23719680, 26684640, 28463616, 32021568, 35579520, 40026960, 42695424, 44167680, 47439360, 53369280, 64043136, 71159040, 80053920, 85390848, 106738560, 128086272, 142318080, 160107840, 213477120, 256172544, 320215680, 426954240, 640431360, 1280862720]

約数ペア:

[(1, 1280862720), (2, 640431360), (3, 426954240), (4, 320215680), (5, 256172544), (6, 213477120), (8, 160107840), (9, 142318080), (10, 128086272), (12, 106738560), (15, 85390848), (16, 80053920), (18, 71159040), (20, 64043136), (24, 53369280), (27, 47439360), (29, 44167680), (30, 42695424), (32, 40026960), (36, 35579520), (40, 32021568), (45, 28463616), (48, 26684640), (54, 23719680), (58, 22083840), (60, 21347712), (64, 20013480), (71, 18040320), (72, 17789760), (80, 16010784), (81, 15813120), (87, 14722560), (90, 14231808), (96, 13342320), (108, 11859840), (116, 11041920), (120, 10673856), (128, 10006740), (135, 9487872), (142, 9020160), (144, 8894880), (145, 8833536), (160, 8005392), (162, 7906560), (174, 7361280), (180, 7115904), (192, 6671160), (213, 6013440), (216, 5929920), (232, 5520960), (240, 5336928), (243, 5271040), (256, 5003370), (261, 4907520), (270, 4743936), (284, 4510080), (288, 4447440), (290, 4416768), (320, 4002696), (324, 3953280), (348, 3680640), (355, 3608064), (360, 3557952), (384, 3335580), (405, 3162624), (426, 3006720), (432, 2964960), (435, 2944512), (464, 2760480), (480, 2668464), (486, 2635520), (512, 2501685), (522, 2453760), (540, 2371968), (568, 2255040), (576, 2223720), (580, 2208384), (639, 2004480), (640, 2001348), (648, 1976640), (696, 1840320), (710, 1804032), (720, 1778976), (768, 1667790), (783, 1635840), (810, 1581312), (852, 1503360), (864, 1482480), (870, 1472256), (928, 1380240), (960, 1334232), (972, 1317760), (1044, 1226880), (1065, 1202688), (1080, 1185984), (1136, 1127520), (1152, 1111860), (1160, 1104192), (1215, 1054208), (1278, 1002240), (1280, 1000674), (1296, 988320), (1305, 981504), (1392, 920160), (1420, 902016), (1440, 889488), (1536, 833895), (1566, 817920), (1620, 790656), (1704, 751680), (1728, 741240), (1740, 736128), (1856, 690120), (1917, 668160), (1920, 667116), (1944, 658880), (2059, 622080), (2088, 613440), (2130, 601344), (2160, 592992), (2272, 563760), (2304, 555930), (2320, 552096), (2349, 545280), (2430, 527104), (2556, 501120), (2560, 500337), (2592, 494160), (2610, 490752), (2784, 460080), (2840, 451008), (2880, 444744), (3132, 408960), (3195, 400896), (3240, 395328), (3408, 375840), (3456, 370620), (3480, 368064), (3712, 345060), (3834, 334080), (3840, 333558), (3888, 329440), (3915, 327168), (4118, 311040), (4176, 306720), (4260, 300672), (4320, 296496), (4544, 281880), (4608, 277965), (4640, 276048), (4698, 272640), (4860, 263552), (5112, 250560), (5184, 247080), (5220, 245376), (5568, 230040), (5680, 225504), (5751, 222720), (5760, 222372), (6177, 207360), (6264, 204480), (6390, 200448), (6480, 197664), (6816, 187920), (6912, 185310), (6960, 184032), (7047, 181760), (7424, 172530), (7668, 167040), (7680, 166779), (7776, 164720), (7830, 163584), (8236, 155520), (8352, 153360), (8520, 150336), (8640, 148248), (9088, 140940), (9280, 138024), (9396, 136320), (9585, 133632), (9720, 131776), (10224, 125280), (10295, 124416), (10368, 123540), (10440, 122688), (11136, 115020), (11360, 112752), (11502, 111360), (11520, 111186), (11745, 109056), (12354, 103680), (12528, 102240), (12780, 100224), (12960, 98832), (13632, 93960), (13824, 92655), (13920, 92016), (14094, 90880), (14848, 86265), (15336, 83520), (15552, 82360), (15660, 81792), (16472, 77760), (16704, 76680), (17040, 75168), (17253, 74240), (17280, 74124), (18176, 70470), (18531, 69120), (18560, 69012), (18792, 68160), (19170, 66816), (19440, 65888), (20448, 62640), (20590, 62208), (20736, 61770), (20880, 61344), (22272, 57510), (22720, 56376), (23004, 55680), (23040, 55593), (23490, 54528), (24708, 51840), (25056, 51120), (25560, 50112), (25920, 49416), (27264, 46980), (27840, 46008), (28188, 45440), (28755, 44544), (30672, 41760), (30885, 41472), (31104, 41180), (31320, 40896), (32944, 38880), (33408, 38340), (34080, 37584), (34506, 37120), (34560, 37062), (35235, 36352)]