309823920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:721

約数の個数: 320

約数和(自身を含む): 1260871680

約数和(自身を除く): 951047760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 108, 112, 120, 124, 126, 135, 140, 144, 155, 168, 180, 186, 189, 210, 216, 217, 240, 248, 252, 270, 279, 280, 310, 315, 336, 360, 372, 378, 420, 432, 434, 465, 496, 504, 540, 558, 560, 620, 630, 651, 661, 720, 744, 756, 837, 840, 868, 930, 945, 1008, 1080, 1085, 1116, 1240, 1260, 1302, 1322, 1395, 1488, 1512, 1674, 1680, 1736, 1860, 1890, 1953, 1983, 2160, 2170, 2232, 2480, 2520, 2604, 2644, 2790, 3024, 3255, 3305, 3348, 3472, 3720, 3780, 3906, 3966, 4185, 4340, 4464, 4627, 5040, 5208, 5288, 5580, 5859, 5949, 6510, 6610, 6696, 7440, 7560, 7812, 7932, 8370, 8680, 9254, 9765, 9915, 10416, 10576, 11160, 11718, 11898, 13020, 13220, 13392, 13881, 15120, 15624, 15864, 16740, 17360, 17847, 18508, 19530, 19830, 20491, 22320, 23135, 23436, 23796, 26040, 26440, 27762, 29295, 29745, 31248, 31728, 33480, 35694, 37016, 39060, 39660, 40982, 41643, 46270, 46872, 47592, 52080, 52880, 55524, 58590, 59490, 61473, 66960, 69405, 71388, 74032, 78120, 79320, 81964, 83286, 89235, 92540, 93744, 95184, 102455, 111048, 117180, 118980, 122946, 124929, 138810, 142776, 143437, 156240, 158640, 163928, 166572, 178470, 184419, 185080, 204910, 208215, 222096, 234360, 237960, 245892, 249858, 277620, 285552, 286874, 307365, 327856, 333144, 356940, 368838, 370160, 409820, 416430, 430311, 468720, 475920, 491784, 499716, 553257, 555240, 573748, 614730, 624645, 666288, 713880, 717185, 737676, 819640, 832860, 860622, 922095, 983568, 999432, 1106514, 1110480, 1147496, 1229460, 1249290, 1290933, 1427760, 1434370, 1475352, 1639280, 1665720, 1721244, 1844190, 1998864, 2151555, 2213028, 2294992, 2458920, 2498580, 2581866, 2766285, 2868740, 2950704, 3331440, 3442488, 3688380, 3872799, 4303110, 4426056, 4917840, 4997160, 5163732, 5532570, 5737480, 6454665, 6884976, 7376760, 7745598, 8606220, 8852112, 9994320, 10327464, 11065140, 11474960, 12909330, 14753520, 15491196, 17212440, 19363995, 20654928, 22130280, 25818660, 30982392, 34424880, 38727990, 44260560, 51637320, 61964784, 77455980, 103274640, 154911960, 309823920]

約数ペア:

[(1, 309823920), (2, 154911960), (3, 103274640), (4, 77455980), (5, 61964784), (6, 51637320), (7, 44260560), (8, 38727990), (9, 34424880), (10, 30982392), (12, 25818660), (14, 22130280), (15, 20654928), (16, 19363995), (18, 17212440), (20, 15491196), (21, 14753520), (24, 12909330), (27, 11474960), (28, 11065140), (30, 10327464), (31, 9994320), (35, 8852112), (36, 8606220), (40, 7745598), (42, 7376760), (45, 6884976), (48, 6454665), (54, 5737480), (56, 5532570), (60, 5163732), (62, 4997160), (63, 4917840), (70, 4426056), (72, 4303110), (80, 3872799), (84, 3688380), (90, 3442488), (93, 3331440), (105, 2950704), (108, 2868740), (112, 2766285), (120, 2581866), (124, 2498580), (126, 2458920), (135, 2294992), (140, 2213028), (144, 2151555), (155, 1998864), (168, 1844190), (180, 1721244), (186, 1665720), (189, 1639280), (210, 1475352), (216, 1434370), (217, 1427760), (240, 1290933), (248, 1249290), (252, 1229460), (270, 1147496), (279, 1110480), (280, 1106514), (310, 999432), (315, 983568), (336, 922095), (360, 860622), (372, 832860), (378, 819640), (420, 737676), (432, 717185), (434, 713880), (465, 666288), (496, 624645), (504, 614730), (540, 573748), (558, 555240), (560, 553257), (620, 499716), (630, 491784), (651, 475920), (661, 468720), (720, 430311), (744, 416430), (756, 409820), (837, 370160), (840, 368838), (868, 356940), (930, 333144), (945, 327856), (1008, 307365), (1080, 286874), (1085, 285552), (1116, 277620), (1240, 249858), (1260, 245892), (1302, 237960), (1322, 234360), (1395, 222096), (1488, 208215), (1512, 204910), (1674, 185080), (1680, 184419), (1736, 178470), (1860, 166572), (1890, 163928), (1953, 158640), (1983, 156240), (2160, 143437), (2170, 142776), (2232, 138810), (2480, 124929), (2520, 122946), (2604, 118980), (2644, 117180), (2790, 111048), (3024, 102455), (3255, 95184), (3305, 93744), (3348, 92540), (3472, 89235), (3720, 83286), (3780, 81964), (3906, 79320), (3966, 78120), (4185, 74032), (4340, 71388), (4464, 69405), (4627, 66960), (5040, 61473), (5208, 59490), (5288, 58590), (5580, 55524), (5859, 52880), (5949, 52080), (6510, 47592), (6610, 46872), (6696, 46270), (7440, 41643), (7560, 40982), (7812, 39660), (7932, 39060), (8370, 37016), (8680, 35694), (9254, 33480), (9765, 31728), (9915, 31248), (10416, 29745), (10576, 29295), (11160, 27762), (11718, 26440), (11898, 26040), (13020, 23796), (13220, 23436), (13392, 23135), (13881, 22320), (15120, 20491), (15624, 19830), (15864, 19530), (16740, 18508), (17360, 17847)]