639031680

素因数分解:

$2^7\times 3^5\times 5^1\times 7^1\times {\mathrm{587}}^1$

素因数の和:628

約数の個数: 384

約数和(自身を含む): 2619751680

約数和(自身を除く): 1980720000

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, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 243, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 486, 504, 540, 560, 567, 576, 587, 630, 640, 648, 672, 720, 756, 810, 840, 864, 896, 945, 960, 972, 1008, 1080, 1120, 1134, 1152, 1174, 1215, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1701, 1728, 1761, 1890, 1920, 1944, 2016, 2160, 2240, 2268, 2348, 2430, 2520, 2592, 2688, 2835, 2880, 2935, 3024, 3240, 3360, 3402, 3456, 3522, 3780, 3888, 4032, 4109, 4320, 4480, 4536, 4696, 4860, 5040, 5184, 5283, 5670, 5760, 5870, 6048, 6480, 6720, 6804, 7044, 7560, 7776, 8064, 8218, 8505, 8640, 8805, 9072, 9392, 9720, 10080, 10368, 10566, 11340, 11740, 12096, 12327, 12960, 13440, 13608, 14088, 15120, 15552, 15849, 16436, 17010, 17280, 17610, 18144, 18784, 19440, 20160, 20545, 21132, 22680, 23480, 24192, 24654, 25920, 26415, 27216, 28176, 30240, 31104, 31698, 32872, 34020, 35220, 36288, 36981, 37568, 38880, 40320, 41090, 42264, 45360, 46960, 47547, 49308, 51840, 52830, 54432, 56352, 60480, 61635, 63396, 65744, 68040, 70440, 72576, 73962, 75136, 77760, 79245, 82180, 84528, 90720, 93920, 95094, 98616, 105660, 108864, 110943, 112704, 120960, 123270, 126792, 131488, 136080, 140880, 142641, 147924, 155520, 158490, 164360, 169056, 181440, 184905, 187840, 190188, 197232, 211320, 217728, 221886, 225408, 237735, 246540, 253584, 262976, 272160, 281760, 285282, 295848, 316980, 328720, 332829, 338112, 362880, 369810, 375680, 380376, 394464, 422640, 443772, 475470, 493080, 507168, 525952, 544320, 554715, 563520, 570564, 591696, 633960, 657440, 665658, 676224, 713205, 739620, 760752, 788928, 845280, 887544, 950940, 986160, 998487, 1014336, 1088640, 1109430, 1127040, 1141128, 1183392, 1267920, 1314880, 1331316, 1426410, 1479240, 1521504, 1577856, 1664145, 1690560, 1775088, 1901880, 1972320, 1996974, 2028672, 2218860, 2282256, 2366784, 2535840, 2629760, 2662632, 2852820, 2958480, 3043008, 3328290, 3381120, 3550176, 3803760, 3944640, 3993948, 4437720, 4564512, 4733568, 4992435, 5071680, 5325264, 5705640, 5916960, 6086016, 6656580, 7100352, 7607520, 7889280, 7987896, 8875440, 9129024, 9984870, 10143360, 10650528, 11411280, 11833920, 13313160, 14200704, 15215040, 15975792, 17750880, 18258048, 19969740, 21301056, 22822560, 23667840, 26626320, 30430080, 31951584, 35501760, 39939480, 42602112, 45645120, 53252640, 63903168, 71003520, 79878960, 91290240, 106505280, 127806336, 159757920, 213010560, 319515840, 639031680]

約数ペア:

[(1, 639031680), (2, 319515840), (3, 213010560), (4, 159757920), (5, 127806336), (6, 106505280), (7, 91290240), (8, 79878960), (9, 71003520), (10, 63903168), (12, 53252640), (14, 45645120), (15, 42602112), (16, 39939480), (18, 35501760), (20, 31951584), (21, 30430080), (24, 26626320), (27, 23667840), (28, 22822560), (30, 21301056), (32, 19969740), (35, 18258048), (36, 17750880), (40, 15975792), (42, 15215040), (45, 14200704), (48, 13313160), (54, 11833920), (56, 11411280), (60, 10650528), (63, 10143360), (64, 9984870), (70, 9129024), (72, 8875440), (80, 7987896), (81, 7889280), (84, 7607520), (90, 7100352), (96, 6656580), (105, 6086016), (108, 5916960), (112, 5705640), (120, 5325264), (126, 5071680), (128, 4992435), (135, 4733568), (140, 4564512), (144, 4437720), (160, 3993948), (162, 3944640), (168, 3803760), (180, 3550176), (189, 3381120), (192, 3328290), (210, 3043008), (216, 2958480), (224, 2852820), (240, 2662632), (243, 2629760), (252, 2535840), (270, 2366784), (280, 2282256), (288, 2218860), (315, 2028672), (320, 1996974), (324, 1972320), (336, 1901880), (360, 1775088), (378, 1690560), (384, 1664145), (405, 1577856), (420, 1521504), (432, 1479240), (448, 1426410), (480, 1331316), (486, 1314880), (504, 1267920), (540, 1183392), (560, 1141128), (567, 1127040), (576, 1109430), (587, 1088640), (630, 1014336), (640, 998487), (648, 986160), (672, 950940), (720, 887544), (756, 845280), (810, 788928), (840, 760752), (864, 739620), (896, 713205), (945, 676224), (960, 665658), (972, 657440), (1008, 633960), (1080, 591696), (1120, 570564), (1134, 563520), (1152, 554715), (1174, 544320), (1215, 525952), (1260, 507168), (1296, 493080), (1344, 475470), (1440, 443772), (1512, 422640), (1620, 394464), (1680, 380376), (1701, 375680), (1728, 369810), (1761, 362880), (1890, 338112), (1920, 332829), (1944, 328720), (2016, 316980), (2160, 295848), (2240, 285282), (2268, 281760), (2348, 272160), (2430, 262976), (2520, 253584), (2592, 246540), (2688, 237735), (2835, 225408), (2880, 221886), (2935, 217728), (3024, 211320), (3240, 197232), (3360, 190188), (3402, 187840), (3456, 184905), (3522, 181440), (3780, 169056), (3888, 164360), (4032, 158490), (4109, 155520), (4320, 147924), (4480, 142641), (4536, 140880), (4696, 136080), (4860, 131488), (5040, 126792), (5184, 123270), (5283, 120960), (5670, 112704), (5760, 110943), (5870, 108864), (6048, 105660), (6480, 98616), (6720, 95094), (6804, 93920), (7044, 90720), (7560, 84528), (7776, 82180), (8064, 79245), (8218, 77760), (8505, 75136), (8640, 73962), (8805, 72576), (9072, 70440), (9392, 68040), (9720, 65744), (10080, 63396), (10368, 61635), (10566, 60480), (11340, 56352), (11740, 54432), (12096, 52830), (12327, 51840), (12960, 49308), (13440, 47547), (13608, 46960), (14088, 45360), (15120, 42264), (15552, 41090), (15849, 40320), (16436, 38880), (17010, 37568), (17280, 36981), (17610, 36288), (18144, 35220), (18784, 34020), (19440, 32872), (20160, 31698), (20545, 31104), (21132, 30240), (22680, 28176), (23480, 27216), (24192, 26415), (24654, 25920)]