643688640

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:429

約数の個数: 448

約数和(自身を含む): 2691993600

約数和(自身を除く): 2048304960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 58, 60, 63, 64, 70, 72, 80, 84, 87, 90, 96, 105, 108, 112, 116, 120, 126, 135, 140, 144, 145, 160, 168, 174, 180, 189, 192, 203, 210, 216, 224, 232, 240, 252, 261, 270, 280, 288, 290, 315, 320, 336, 348, 360, 367, 378, 406, 420, 432, 435, 448, 464, 480, 504, 522, 540, 560, 576, 580, 609, 630, 672, 696, 720, 734, 756, 783, 812, 840, 864, 870, 928, 945, 960, 1008, 1015, 1044, 1080, 1101, 1120, 1160, 1218, 1260, 1305, 1344, 1392, 1440, 1468, 1512, 1566, 1624, 1680, 1728, 1740, 1827, 1835, 1856, 1890, 2016, 2030, 2088, 2160, 2202, 2240, 2320, 2436, 2520, 2569, 2610, 2784, 2880, 2936, 3024, 3045, 3132, 3248, 3303, 3360, 3480, 3654, 3670, 3780, 3915, 4032, 4060, 4176, 4320, 4404, 4640, 4872, 5040, 5138, 5220, 5481, 5505, 5568, 5872, 6048, 6090, 6264, 6496, 6606, 6720, 6960, 7308, 7340, 7560, 7707, 7830, 8120, 8352, 8640, 8808, 9135, 9280, 9744, 9909, 10080, 10276, 10440, 10643, 10962, 11010, 11744, 12096, 12180, 12528, 12845, 12992, 13212, 13920, 14616, 14680, 15120, 15414, 15660, 16240, 16515, 16704, 17616, 18270, 19488, 19818, 20160, 20552, 20880, 21286, 21924, 22020, 23121, 23488, 24360, 25056, 25690, 26424, 27405, 27840, 29232, 29360, 30240, 30828, 31320, 31929, 32480, 33030, 35232, 36540, 38535, 38976, 39636, 41104, 41760, 42572, 43848, 44040, 46242, 48720, 49545, 50112, 51380, 52848, 53215, 54810, 58464, 58720, 60480, 61656, 62640, 63858, 64960, 66060, 69363, 70464, 73080, 74501, 77070, 79272, 82208, 83520, 85144, 87696, 88080, 92484, 95787, 97440, 99090, 102760, 105696, 106430, 109620, 115605, 116928, 117440, 123312, 125280, 127716, 132120, 138726, 146160, 149002, 154140, 158544, 159645, 164416, 170288, 175392, 176160, 184968, 191574, 194880, 198180, 205520, 211392, 212860, 219240, 223503, 231210, 246624, 250560, 255432, 264240, 277452, 287361, 292320, 298004, 308280, 317088, 319290, 340576, 346815, 350784, 352320, 369936, 372505, 383148, 396360, 411040, 425720, 438480, 447006, 462420, 478935, 493248, 510864, 528480, 554904, 574722, 584640, 596008, 616560, 634176, 638580, 670509, 681152, 693630, 739872, 745010, 766296, 792720, 822080, 851440, 876960, 894012, 924840, 957870, 1021728, 1056960, 1109808, 1117515, 1149444, 1192016, 1233120, 1277160, 1341018, 1387260, 1436805, 1479744, 1490020, 1532592, 1585440, 1702880, 1753920, 1788024, 1849680, 1915740, 2011527, 2043456, 2219616, 2235030, 2298888, 2384032, 2466240, 2554320, 2682036, 2774520, 2873610, 2980040, 3065184, 3170880, 3352545, 3405760, 3576048, 3699360, 3831480, 4023054, 4439232, 4470060, 4597776, 4768064, 5108640, 5364072, 5549040, 5747220, 5960080, 6130368, 6705090, 7152096, 7398720, 7662960, 8046108, 8940120, 9195552, 10057635, 10217280, 10728144, 11098080, 11494440, 11920160, 13410180, 14304192, 15325920, 16092216, 17880240, 18391104, 20115270, 21456288, 22196160, 22988880, 23840320, 26820360, 30651840, 32184432, 35760480, 40230540, 42912576, 45977760, 53640720, 64368864, 71520960, 80461080, 91955520, 107281440, 128737728, 160922160, 214562880, 321844320, 643688640]

約数ペア:

[(1, 643688640), (2, 321844320), (3, 214562880), (4, 160922160), (5, 128737728), (6, 107281440), (7, 91955520), (8, 80461080), (9, 71520960), (10, 64368864), (12, 53640720), (14, 45977760), (15, 42912576), (16, 40230540), (18, 35760480), (20, 32184432), (21, 30651840), (24, 26820360), (27, 23840320), (28, 22988880), (29, 22196160), (30, 21456288), (32, 20115270), (35, 18391104), (36, 17880240), (40, 16092216), (42, 15325920), (45, 14304192), (48, 13410180), (54, 11920160), (56, 11494440), (58, 11098080), (60, 10728144), (63, 10217280), (64, 10057635), (70, 9195552), (72, 8940120), (80, 8046108), (84, 7662960), (87, 7398720), (90, 7152096), (96, 6705090), (105, 6130368), (108, 5960080), (112, 5747220), (116, 5549040), (120, 5364072), (126, 5108640), (135, 4768064), (140, 4597776), (144, 4470060), (145, 4439232), (160, 4023054), (168, 3831480), (174, 3699360), (180, 3576048), (189, 3405760), (192, 3352545), (203, 3170880), (210, 3065184), (216, 2980040), (224, 2873610), (232, 2774520), (240, 2682036), (252, 2554320), (261, 2466240), (270, 2384032), (280, 2298888), (288, 2235030), (290, 2219616), (315, 2043456), (320, 2011527), (336, 1915740), (348, 1849680), (360, 1788024), (367, 1753920), (378, 1702880), (406, 1585440), (420, 1532592), (432, 1490020), (435, 1479744), (448, 1436805), (464, 1387260), (480, 1341018), (504, 1277160), (522, 1233120), (540, 1192016), (560, 1149444), (576, 1117515), (580, 1109808), (609, 1056960), (630, 1021728), (672, 957870), (696, 924840), (720, 894012), (734, 876960), (756, 851440), (783, 822080), (812, 792720), (840, 766296), (864, 745010), (870, 739872), (928, 693630), (945, 681152), (960, 670509), (1008, 638580), (1015, 634176), (1044, 616560), (1080, 596008), (1101, 584640), (1120, 574722), (1160, 554904), (1218, 528480), (1260, 510864), (1305, 493248), (1344, 478935), (1392, 462420), (1440, 447006), (1468, 438480), (1512, 425720), (1566, 411040), (1624, 396360), (1680, 383148), (1728, 372505), (1740, 369936), (1827, 352320), (1835, 350784), (1856, 346815), (1890, 340576), (2016, 319290), (2030, 317088), (2088, 308280), (2160, 298004), (2202, 292320), (2240, 287361), (2320, 277452), (2436, 264240), (2520, 255432), (2569, 250560), (2610, 246624), (2784, 231210), (2880, 223503), (2936, 219240), (3024, 212860), (3045, 211392), (3132, 205520), (3248, 198180), (3303, 194880), (3360, 191574), (3480, 184968), (3654, 176160), (3670, 175392), (3780, 170288), (3915, 164416), (4032, 159645), (4060, 158544), (4176, 154140), (4320, 149002), (4404, 146160), (4640, 138726), (4872, 132120), (5040, 127716), (5138, 125280), (5220, 123312), (5481, 117440), (5505, 116928), (5568, 115605), (5872, 109620), (6048, 106430), (6090, 105696), (6264, 102760), (6496, 99090), (6606, 97440), (6720, 95787), (6960, 92484), (7308, 88080), (7340, 87696), (7560, 85144), (7707, 83520), (7830, 82208), (8120, 79272), (8352, 77070), (8640, 74501), (8808, 73080), (9135, 70464), (9280, 69363), (9744, 66060), (9909, 64960), (10080, 63858), (10276, 62640), (10440, 61656), (10643, 60480), (10962, 58720), (11010, 58464), (11744, 54810), (12096, 53215), (12180, 52848), (12528, 51380), (12845, 50112), (12992, 49545), (13212, 48720), (13920, 46242), (14616, 44040), (14680, 43848), (15120, 42572), (15414, 41760), (15660, 41104), (16240, 39636), (16515, 38976), (16704, 38535), (17616, 36540), (18270, 35232), (19488, 33030), (19818, 32480), (20160, 31929), (20552, 31320), (20880, 30828), (21286, 30240), (21924, 29360), (22020, 29232), (23121, 27840), (23488, 27405), (24360, 26424), (25056, 25690)]