821741760

素因数分解:

$2^6\times 3^4\times 5^1\times 7^2\times {\mathrm{647}}^1$

素因数の和:690

約数の個数: 420

約数和(自身を含む): 3405573072

約数和(自身を除く): 2583831312

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, 45, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 162, 168, 180, 189, 192, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 320, 324, 336, 360, 378, 392, 405, 420, 432, 441, 448, 480, 490, 504, 540, 560, 567, 576, 588, 630, 647, 648, 672, 720, 735, 756, 784, 810, 840, 864, 882, 945, 960, 980, 1008, 1080, 1120, 1134, 1176, 1260, 1294, 1296, 1323, 1344, 1440, 1470, 1512, 1568, 1620, 1680, 1728, 1764, 1890, 1941, 1960, 2016, 2160, 2205, 2240, 2268, 2352, 2520, 2588, 2592, 2646, 2835, 2880, 2940, 3024, 3136, 3235, 3240, 3360, 3528, 3780, 3882, 3920, 3969, 4032, 4320, 4410, 4529, 4536, 4704, 5040, 5176, 5184, 5292, 5670, 5823, 5880, 6048, 6470, 6480, 6615, 6720, 7056, 7560, 7764, 7840, 7938, 8640, 8820, 9058, 9072, 9408, 9705, 10080, 10352, 10584, 11340, 11646, 11760, 12096, 12940, 12960, 13230, 13587, 14112, 15120, 15528, 15680, 15876, 17469, 17640, 18116, 18144, 19410, 19845, 20160, 20704, 21168, 22645, 22680, 23292, 23520, 25880, 25920, 26460, 27174, 28224, 29115, 30240, 31056, 31703, 31752, 34938, 35280, 36232, 36288, 38820, 39690, 40761, 41408, 42336, 45290, 45360, 46584, 47040, 51760, 52407, 52920, 54348, 58230, 60480, 62112, 63406, 63504, 67935, 69876, 70560, 72464, 77640, 79380, 81522, 84672, 87345, 90580, 90720, 93168, 95109, 103520, 104814, 105840, 108696, 116460, 122283, 124224, 126812, 127008, 135870, 139752, 141120, 144928, 155280, 158515, 158760, 163044, 174690, 181160, 181440, 186336, 190218, 203805, 207040, 209628, 211680, 217392, 232920, 244566, 253624, 254016, 262035, 271740, 279504, 285327, 289856, 310560, 317030, 317520, 326088, 349380, 362320, 366849, 372672, 380436, 407610, 419256, 423360, 434784, 465840, 475545, 489132, 507248, 524070, 543480, 559008, 570654, 611415, 621120, 634060, 635040, 652176, 698760, 724640, 733698, 760872, 815220, 838512, 855981, 869568, 931680, 951090, 978264, 1014496, 1048140, 1086960, 1118016, 1141308, 1222830, 1268120, 1270080, 1304352, 1397520, 1426635, 1449280, 1467396, 1521744, 1630440, 1677024, 1711962, 1834245, 1863360, 1902180, 1956528, 2028992, 2096280, 2173920, 2282616, 2445660, 2536240, 2567943, 2608704, 2795040, 2853270, 2934792, 3043488, 3260880, 3354048, 3423924, 3668490, 3804360, 3913056, 4192560, 4279905, 4347840, 4565232, 4891320, 5072480, 5135886, 5590080, 5706540, 5869584, 6086976, 6521760, 6847848, 7336980, 7608720, 7826112, 8385120, 8559810, 9130464, 9782640, 10144960, 10271772, 11413080, 11739168, 12839715, 13043520, 13695696, 14673960, 15217440, 16770240, 17119620, 18260928, 19565280, 20543544, 22826160, 23478336, 25679430, 27391392, 29347920, 30434880, 34239240, 39130560, 41087088, 45652320, 51358860, 54782784, 58695840, 68478480, 82174176, 91304640, 102717720, 117391680, 136956960, 164348352, 205435440, 273913920, 410870880, 821741760]

約数ペア:

[(1, 821741760), (2, 410870880), (3, 273913920), (4, 205435440), (5, 164348352), (6, 136956960), (7, 117391680), (8, 102717720), (9, 91304640), (10, 82174176), (12, 68478480), (14, 58695840), (15, 54782784), (16, 51358860), (18, 45652320), (20, 41087088), (21, 39130560), (24, 34239240), (27, 30434880), (28, 29347920), (30, 27391392), (32, 25679430), (35, 23478336), (36, 22826160), (40, 20543544), (42, 19565280), (45, 18260928), (48, 17119620), (49, 16770240), (54, 15217440), (56, 14673960), (60, 13695696), (63, 13043520), (64, 12839715), (70, 11739168), (72, 11413080), (80, 10271772), (81, 10144960), (84, 9782640), (90, 9130464), (96, 8559810), (98, 8385120), (105, 7826112), (108, 7608720), (112, 7336980), (120, 6847848), (126, 6521760), (135, 6086976), (140, 5869584), (144, 5706540), (147, 5590080), (160, 5135886), (162, 5072480), (168, 4891320), (180, 4565232), (189, 4347840), (192, 4279905), (196, 4192560), (210, 3913056), (216, 3804360), (224, 3668490), (240, 3423924), (245, 3354048), (252, 3260880), (270, 3043488), (280, 2934792), (288, 2853270), (294, 2795040), (315, 2608704), (320, 2567943), (324, 2536240), (336, 2445660), (360, 2282616), (378, 2173920), (392, 2096280), (405, 2028992), (420, 1956528), (432, 1902180), (441, 1863360), (448, 1834245), (480, 1711962), (490, 1677024), (504, 1630440), (540, 1521744), (560, 1467396), (567, 1449280), (576, 1426635), (588, 1397520), (630, 1304352), (647, 1270080), (648, 1268120), (672, 1222830), (720, 1141308), (735, 1118016), (756, 1086960), (784, 1048140), (810, 1014496), (840, 978264), (864, 951090), (882, 931680), (945, 869568), (960, 855981), (980, 838512), (1008, 815220), (1080, 760872), (1120, 733698), (1134, 724640), (1176, 698760), (1260, 652176), (1294, 635040), (1296, 634060), (1323, 621120), (1344, 611415), (1440, 570654), (1470, 559008), (1512, 543480), (1568, 524070), (1620, 507248), (1680, 489132), (1728, 475545), (1764, 465840), (1890, 434784), (1941, 423360), (1960, 419256), (2016, 407610), (2160, 380436), (2205, 372672), (2240, 366849), (2268, 362320), (2352, 349380), (2520, 326088), (2588, 317520), (2592, 317030), (2646, 310560), (2835, 289856), (2880, 285327), (2940, 279504), (3024, 271740), (3136, 262035), (3235, 254016), (3240, 253624), (3360, 244566), (3528, 232920), (3780, 217392), (3882, 211680), (3920, 209628), (3969, 207040), (4032, 203805), (4320, 190218), (4410, 186336), (4529, 181440), (4536, 181160), (4704, 174690), (5040, 163044), (5176, 158760), (5184, 158515), (5292, 155280), (5670, 144928), (5823, 141120), (5880, 139752), (6048, 135870), (6470, 127008), (6480, 126812), (6615, 124224), (6720, 122283), (7056, 116460), (7560, 108696), (7764, 105840), (7840, 104814), (7938, 103520), (8640, 95109), (8820, 93168), (9058, 90720), (9072, 90580), (9408, 87345), (9705, 84672), (10080, 81522), (10352, 79380), (10584, 77640), (11340, 72464), (11646, 70560), (11760, 69876), (12096, 67935), (12940, 63504), (12960, 63406), (13230, 62112), (13587, 60480), (14112, 58230), (15120, 54348), (15528, 52920), (15680, 52407), (15876, 51760), (17469, 47040), (17640, 46584), (18116, 45360), (18144, 45290), (19410, 42336), (19845, 41408), (20160, 40761), (20704, 39690), (21168, 38820), (22645, 36288), (22680, 36232), (23292, 35280), (23520, 34938), (25880, 31752), (25920, 31703), (26460, 31056), (27174, 30240), (28224, 29115)]