678913920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:518

約数の個数: 256

約数和(自身を含む): 2434536000

約数和(自身を除く): 1755622080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 101, 108, 120, 128, 135, 144, 160, 180, 192, 202, 216, 240, 270, 288, 303, 320, 360, 384, 389, 404, 432, 480, 505, 540, 576, 606, 640, 720, 778, 808, 864, 909, 960, 1010, 1080, 1152, 1167, 1212, 1440, 1515, 1556, 1616, 1728, 1818, 1920, 1945, 2020, 2160, 2334, 2424, 2727, 2880, 3030, 3112, 3232, 3456, 3501, 3636, 3890, 4040, 4320, 4545, 4668, 4848, 5454, 5760, 5835, 6060, 6224, 6464, 7002, 7272, 7780, 8080, 8640, 9090, 9336, 9696, 10503, 10908, 11670, 12120, 12448, 12928, 13635, 14004, 14544, 15560, 16160, 17280, 17505, 18180, 18672, 19392, 21006, 21816, 23340, 24240, 24896, 27270, 28008, 29088, 31120, 32320, 35010, 36360, 37344, 38784, 39289, 42012, 43632, 46680, 48480, 49792, 52515, 54540, 56016, 58176, 62240, 64640, 70020, 72720, 74688, 78578, 84024, 87264, 93360, 96960, 105030, 109080, 112032, 116352, 117867, 124480, 140040, 145440, 149376, 157156, 168048, 174528, 186720, 193920, 196445, 210060, 218160, 224064, 235734, 248960, 280080, 290880, 314312, 336096, 349056, 353601, 373440, 392890, 420120, 436320, 448128, 471468, 560160, 581760, 589335, 628624, 672192, 707202, 746880, 785780, 840240, 872640, 942936, 1060803, 1120320, 1178670, 1257248, 1344384, 1414404, 1571560, 1680480, 1745280, 1768005, 1885872, 2121606, 2240640, 2357340, 2514496, 2828808, 3143120, 3360960, 3536010, 3771744, 4243212, 4714680, 5028992, 5304015, 5657616, 6286240, 6721920, 7072020, 7543488, 8486424, 9429360, 10608030, 11315232, 12572480, 14144040, 15086976, 16972848, 18858720, 21216060, 22630464, 25144960, 28288080, 33945696, 37717440, 42432120, 45260928, 56576160, 67891392, 75434880, 84864240, 113152320, 135782784, 169728480, 226304640, 339456960, 678913920]

約数ペア:

[(1, 678913920), (2, 339456960), (3, 226304640), (4, 169728480), (5, 135782784), (6, 113152320), (8, 84864240), (9, 75434880), (10, 67891392), (12, 56576160), (15, 45260928), (16, 42432120), (18, 37717440), (20, 33945696), (24, 28288080), (27, 25144960), (30, 22630464), (32, 21216060), (36, 18858720), (40, 16972848), (45, 15086976), (48, 14144040), (54, 12572480), (60, 11315232), (64, 10608030), (72, 9429360), (80, 8486424), (90, 7543488), (96, 7072020), (101, 6721920), (108, 6286240), (120, 5657616), (128, 5304015), (135, 5028992), (144, 4714680), (160, 4243212), (180, 3771744), (192, 3536010), (202, 3360960), (216, 3143120), (240, 2828808), (270, 2514496), (288, 2357340), (303, 2240640), (320, 2121606), (360, 1885872), (384, 1768005), (389, 1745280), (404, 1680480), (432, 1571560), (480, 1414404), (505, 1344384), (540, 1257248), (576, 1178670), (606, 1120320), (640, 1060803), (720, 942936), (778, 872640), (808, 840240), (864, 785780), (909, 746880), (960, 707202), (1010, 672192), (1080, 628624), (1152, 589335), (1167, 581760), (1212, 560160), (1440, 471468), (1515, 448128), (1556, 436320), (1616, 420120), (1728, 392890), (1818, 373440), (1920, 353601), (1945, 349056), (2020, 336096), (2160, 314312), (2334, 290880), (2424, 280080), (2727, 248960), (2880, 235734), (3030, 224064), (3112, 218160), (3232, 210060), (3456, 196445), (3501, 193920), (3636, 186720), (3890, 174528), (4040, 168048), (4320, 157156), (4545, 149376), (4668, 145440), (4848, 140040), (5454, 124480), (5760, 117867), (5835, 116352), (6060, 112032), (6224, 109080), (6464, 105030), (7002, 96960), (7272, 93360), (7780, 87264), (8080, 84024), (8640, 78578), (9090, 74688), (9336, 72720), (9696, 70020), (10503, 64640), (10908, 62240), (11670, 58176), (12120, 56016), (12448, 54540), (12928, 52515), (13635, 49792), (14004, 48480), (14544, 46680), (15560, 43632), (16160, 42012), (17280, 39289), (17505, 38784), (18180, 37344), (18672, 36360), (19392, 35010), (21006, 32320), (21816, 31120), (23340, 29088), (24240, 28008), (24896, 27270)]