206549280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 288

約数和(自身を含む): 832785408

約数和(自身を除く): 626236128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 661, 672, 720, 744, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1322, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 1983, 2016, 2170, 2232, 2480, 2520, 2604, 2644, 2790, 2976, 3255, 3305, 3360, 3472, 3720, 3906, 3966, 4340, 4464, 4627, 4960, 5040, 5208, 5288, 5580, 5949, 6510, 6610, 6944, 7440, 7812, 7932, 8680, 8928, 9254, 9765, 9915, 10080, 10416, 10576, 11160, 11898, 13020, 13220, 13881, 14880, 15624, 15864, 17360, 18508, 19530, 19830, 20491, 20832, 21152, 22320, 23135, 23796, 26040, 26440, 27762, 29745, 31248, 31728, 34720, 37016, 39060, 39660, 40982, 41643, 44640, 46270, 47592, 52080, 52880, 55524, 59490, 61473, 62496, 63456, 69405, 74032, 78120, 79320, 81964, 83286, 92540, 95184, 102455, 104160, 105760, 111048, 118980, 122946, 138810, 143437, 148064, 156240, 158640, 163928, 166572, 184419, 185080, 190368, 204910, 208215, 222096, 237960, 245892, 277620, 286874, 307365, 312480, 317280, 327856, 333144, 368838, 370160, 409820, 416430, 430311, 444192, 475920, 491784, 555240, 573748, 614730, 655712, 666288, 717185, 737676, 740320, 819640, 832860, 860622, 922095, 951840, 983568, 1110480, 1147496, 1229460, 1290933, 1332576, 1434370, 1475352, 1639280, 1665720, 1721244, 1844190, 1967136, 2151555, 2220960, 2294992, 2458920, 2581866, 2868740, 2950704, 3278560, 3331440, 3442488, 3688380, 4303110, 4589984, 4917840, 5163732, 5737480, 5901408, 6454665, 6662880, 6884976, 7376760, 8606220, 9835680, 10327464, 11474960, 12909330, 13769952, 14753520, 17212440, 20654928, 22949920, 25818660, 29507040, 34424880, 41309856, 51637320, 68849760, 103274640, 206549280]

約数ペア:

[(1, 206549280), (2, 103274640), (3, 68849760), (4, 51637320), (5, 41309856), (6, 34424880), (7, 29507040), (8, 25818660), (9, 22949920), (10, 20654928), (12, 17212440), (14, 14753520), (15, 13769952), (16, 12909330), (18, 11474960), (20, 10327464), (21, 9835680), (24, 8606220), (28, 7376760), (30, 6884976), (31, 6662880), (32, 6454665), (35, 5901408), (36, 5737480), (40, 5163732), (42, 4917840), (45, 4589984), (48, 4303110), (56, 3688380), (60, 3442488), (62, 3331440), (63, 3278560), (70, 2950704), (72, 2868740), (80, 2581866), (84, 2458920), (90, 2294992), (93, 2220960), (96, 2151555), (105, 1967136), (112, 1844190), (120, 1721244), (124, 1665720), (126, 1639280), (140, 1475352), (144, 1434370), (155, 1332576), (160, 1290933), (168, 1229460), (180, 1147496), (186, 1110480), (210, 983568), (217, 951840), (224, 922095), (240, 860622), (248, 832860), (252, 819640), (279, 740320), (280, 737676), (288, 717185), (310, 666288), (315, 655712), (336, 614730), (360, 573748), (372, 555240), (420, 491784), (434, 475920), (465, 444192), (480, 430311), (496, 416430), (504, 409820), (558, 370160), (560, 368838), (620, 333144), (630, 327856), (651, 317280), (661, 312480), (672, 307365), (720, 286874), (744, 277620), (840, 245892), (868, 237960), (930, 222096), (992, 208215), (1008, 204910), (1085, 190368), (1116, 185080), (1120, 184419), (1240, 166572), (1260, 163928), (1302, 158640), (1322, 156240), (1395, 148064), (1440, 143437), (1488, 138810), (1680, 122946), (1736, 118980), (1860, 111048), (1953, 105760), (1983, 104160), (2016, 102455), (2170, 95184), (2232, 92540), (2480, 83286), (2520, 81964), (2604, 79320), (2644, 78120), (2790, 74032), (2976, 69405), (3255, 63456), (3305, 62496), (3360, 61473), (3472, 59490), (3720, 55524), (3906, 52880), (3966, 52080), (4340, 47592), (4464, 46270), (4627, 44640), (4960, 41643), (5040, 40982), (5208, 39660), (5288, 39060), (5580, 37016), (5949, 34720), (6510, 31728), (6610, 31248), (6944, 29745), (7440, 27762), (7812, 26440), (7932, 26040), (8680, 23796), (8928, 23135), (9254, 22320), (9765, 21152), (9915, 20832), (10080, 20491), (10416, 19830), (10576, 19530), (11160, 18508), (11898, 17360), (13020, 15864), (13220, 15624), (13881, 14880)]