1721623680

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:409

約数の個数: 512

約数和(自身を含む): 7152076800

約数和(自身を除く): 5430453120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 43, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 86, 90, 96, 105, 108, 112, 120, 126, 128, 129, 135, 140, 144, 160, 168, 172, 180, 189, 192, 210, 215, 216, 224, 240, 252, 258, 270, 280, 288, 301, 315, 320, 331, 336, 344, 360, 378, 384, 387, 420, 430, 432, 448, 480, 504, 516, 540, 560, 576, 602, 630, 640, 645, 662, 672, 688, 720, 756, 774, 840, 860, 864, 896, 903, 945, 960, 993, 1008, 1032, 1080, 1120, 1152, 1161, 1204, 1260, 1290, 1324, 1344, 1376, 1440, 1505, 1512, 1548, 1655, 1680, 1720, 1728, 1806, 1890, 1920, 1935, 1986, 2016, 2064, 2160, 2240, 2317, 2322, 2408, 2520, 2580, 2648, 2688, 2709, 2752, 2880, 2979, 3010, 3024, 3096, 3310, 3360, 3440, 3456, 3612, 3780, 3870, 3972, 4032, 4128, 4320, 4480, 4515, 4634, 4644, 4816, 4965, 5040, 5160, 5296, 5418, 5504, 5760, 5805, 5958, 6020, 6048, 6192, 6620, 6720, 6880, 6951, 7224, 7560, 7740, 7944, 8064, 8127, 8256, 8640, 8937, 9030, 9268, 9288, 9632, 9930, 10080, 10320, 10592, 10836, 11585, 11610, 11916, 12040, 12096, 12384, 13240, 13440, 13545, 13760, 13902, 14233, 14448, 14895, 15120, 15480, 15888, 16254, 16512, 17280, 17874, 18060, 18536, 18576, 19264, 19860, 20160, 20640, 20853, 21184, 21672, 23170, 23220, 23832, 24080, 24192, 24768, 26480, 27090, 27520, 27804, 28466, 28896, 29790, 30240, 30960, 31776, 32508, 34755, 35748, 36120, 37072, 37152, 38528, 39720, 40320, 40635, 41280, 41706, 42368, 42699, 43344, 44685, 46340, 46440, 47664, 48160, 49536, 52960, 54180, 55608, 56932, 57792, 59580, 60480, 61920, 62559, 63552, 65016, 69510, 71165, 71496, 72240, 74144, 74304, 79440, 81270, 82560, 83412, 85398, 86688, 89370, 92680, 92880, 95328, 96320, 99631, 104265, 105920, 108360, 111216, 113864, 115584, 119160, 120960, 123840, 125118, 127104, 128097, 130032, 139020, 142330, 142992, 144480, 148288, 148608, 158880, 162540, 166824, 170796, 173376, 178740, 185360, 185760, 190656, 192640, 199262, 208530, 211840, 213495, 216720, 222432, 227728, 238320, 247680, 250236, 256194, 260064, 278040, 284660, 285984, 288960, 296576, 298893, 312795, 317760, 325080, 333648, 341592, 346752, 357480, 370720, 371520, 381312, 384291, 398524, 417060, 426990, 433440, 444864, 455456, 476640, 498155, 500472, 512388, 520128, 556080, 569320, 571968, 577920, 597786, 625590, 635520, 640485, 650160, 667296, 683184, 714960, 741440, 743040, 768582, 797048, 834120, 853980, 866880, 889728, 896679, 910912, 953280, 996310, 1000944, 1024776, 1040256, 1112160, 1138640, 1143936, 1195572, 1251180, 1280970, 1300320, 1334592, 1366368, 1429920, 1482880, 1494465, 1537164, 1594096, 1668240, 1707960, 1733760, 1793358, 1821824, 1906560, 1921455, 1992620, 2001888, 2049552, 2224320, 2277280, 2391144, 2502360, 2561940, 2600640, 2669184, 2690037, 2732736, 2859840, 2988930, 3074328, 3188192, 3336480, 3415920, 3586716, 3842910, 3985240, 4003776, 4099104, 4448640, 4483395, 4554560, 4782288, 5004720, 5123880, 5201280, 5380074, 5465472, 5719680, 5977860, 6148656, 6376384, 6672960, 6831840, 7173432, 7685820, 7970480, 8007552, 8198208, 8966790, 9109120, 9564576, 10009440, 10247760, 10760148, 11955720, 12297312, 12752768, 13345920, 13450185, 13663680, 14346864, 15371640, 15940960, 16396416, 17933580, 19129152, 20018880, 20495520, 21520296, 23911440, 24594624, 26900370, 27327360, 28693728, 30743280, 31881920, 35867160, 38258304, 40037760, 40991040, 43040592, 47822880, 49189248, 53800740, 57387456, 61486560, 63763840, 71734320, 81982080, 86081184, 95645760, 107601480, 114774912, 122973120, 143468640, 172162368, 191291520, 215202960, 245946240, 286937280, 344324736, 430405920, 573874560, 860811840, 1721623680]

約数ペア:

[(1, 1721623680), (2, 860811840), (3, 573874560), (4, 430405920), (5, 344324736), (6, 286937280), (7, 245946240), (8, 215202960), (9, 191291520), (10, 172162368), (12, 143468640), (14, 122973120), (15, 114774912), (16, 107601480), (18, 95645760), (20, 86081184), (21, 81982080), (24, 71734320), (27, 63763840), (28, 61486560), (30, 57387456), (32, 53800740), (35, 49189248), (36, 47822880), (40, 43040592), (42, 40991040), (43, 40037760), (45, 38258304), (48, 35867160), (54, 31881920), (56, 30743280), (60, 28693728), (63, 27327360), (64, 26900370), (70, 24594624), (72, 23911440), (80, 21520296), (84, 20495520), (86, 20018880), (90, 19129152), (96, 17933580), (105, 16396416), (108, 15940960), (112, 15371640), (120, 14346864), (126, 13663680), (128, 13450185), (129, 13345920), (135, 12752768), (140, 12297312), (144, 11955720), (160, 10760148), (168, 10247760), (172, 10009440), (180, 9564576), (189, 9109120), (192, 8966790), (210, 8198208), (215, 8007552), (216, 7970480), (224, 7685820), (240, 7173432), (252, 6831840), (258, 6672960), (270, 6376384), (280, 6148656), (288, 5977860), (301, 5719680), (315, 5465472), (320, 5380074), (331, 5201280), (336, 5123880), (344, 5004720), (360, 4782288), (378, 4554560), (384, 4483395), (387, 4448640), (420, 4099104), (430, 4003776), (432, 3985240), (448, 3842910), (480, 3586716), (504, 3415920), (516, 3336480), (540, 3188192), (560, 3074328), (576, 2988930), (602, 2859840), (630, 2732736), (640, 2690037), (645, 2669184), (662, 2600640), (672, 2561940), (688, 2502360), (720, 2391144), (756, 2277280), (774, 2224320), (840, 2049552), (860, 2001888), (864, 1992620), (896, 1921455), (903, 1906560), (945, 1821824), (960, 1793358), (993, 1733760), (1008, 1707960), (1032, 1668240), (1080, 1594096), (1120, 1537164), (1152, 1494465), (1161, 1482880), (1204, 1429920), (1260, 1366368), (1290, 1334592), (1324, 1300320), (1344, 1280970), (1376, 1251180), (1440, 1195572), (1505, 1143936), (1512, 1138640), (1548, 1112160), (1655, 1040256), (1680, 1024776), (1720, 1000944), (1728, 996310), (1806, 953280), (1890, 910912), (1920, 896679), (1935, 889728), (1986, 866880), (2016, 853980), (2064, 834120), (2160, 797048), (2240, 768582), (2317, 743040), (2322, 741440), (2408, 714960), (2520, 683184), (2580, 667296), (2648, 650160), (2688, 640485), (2709, 635520), (2752, 625590), (2880, 597786), (2979, 577920), (3010, 571968), (3024, 569320), (3096, 556080), (3310, 520128), (3360, 512388), (3440, 500472), (3456, 498155), (3612, 476640), (3780, 455456), (3870, 444864), (3972, 433440), (4032, 426990), (4128, 417060), (4320, 398524), (4480, 384291), (4515, 381312), (4634, 371520), (4644, 370720), (4816, 357480), (4965, 346752), (5040, 341592), (5160, 333648), (5296, 325080), (5418, 317760), (5504, 312795), (5760, 298893), (5805, 296576), (5958, 288960), (6020, 285984), (6048, 284660), (6192, 278040), (6620, 260064), (6720, 256194), (6880, 250236), (6951, 247680), (7224, 238320), (7560, 227728), (7740, 222432), (7944, 216720), (8064, 213495), (8127, 211840), (8256, 208530), (8640, 199262), (8937, 192640), (9030, 190656), (9268, 185760), (9288, 185360), (9632, 178740), (9930, 173376), (10080, 170796), (10320, 166824), (10592, 162540), (10836, 158880), (11585, 148608), (11610, 148288), (11916, 144480), (12040, 142992), (12096, 142330), (12384, 139020), (13240, 130032), (13440, 128097), (13545, 127104), (13760, 125118), (13902, 123840), (14233, 120960), (14448, 119160), (14895, 115584), (15120, 113864), (15480, 111216), (15888, 108360), (16254, 105920), (16512, 104265), (17280, 99631), (17874, 96320), (18060, 95328), (18536, 92880), (18576, 92680), (19264, 89370), (19860, 86688), (20160, 85398), (20640, 83412), (20853, 82560), (21184, 81270), (21672, 79440), (23170, 74304), (23220, 74144), (23832, 72240), (24080, 71496), (24192, 71165), (24768, 69510), (26480, 65016), (27090, 63552), (27520, 62559), (27804, 61920), (28466, 60480), (28896, 59580), (29790, 57792), (30240, 56932), (30960, 55608), (31776, 54180), (32508, 52960), (34755, 49536), (35748, 48160), (36120, 47664), (37072, 46440), (37152, 46340), (38528, 44685), (39720, 43344), (40320, 42699), (40635, 42368), (41280, 41706)]