278009280

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1399}}^1$

素因数の和:1448

約数の個数: 224

約数和(自身を含む): 1024128000

約数和(自身を除く): 746118720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 320, 345, 360, 368, 414, 432, 460, 480, 540, 552, 576, 621, 690, 720, 736, 828, 864, 920, 960, 1035, 1080, 1104, 1242, 1380, 1399, 1440, 1472, 1656, 1728, 1840, 2070, 2160, 2208, 2484, 2760, 2798, 2880, 3105, 3312, 3680, 4140, 4197, 4320, 4416, 4968, 5520, 5596, 6210, 6624, 6995, 7360, 8280, 8394, 8640, 9936, 11040, 11192, 12420, 12591, 13248, 13990, 16560, 16788, 19872, 20985, 22080, 22384, 24840, 25182, 27980, 32177, 33120, 33576, 37773, 39744, 41970, 44768, 49680, 50364, 55960, 62955, 64354, 66240, 67152, 75546, 83940, 89536, 96531, 99360, 100728, 111920, 125910, 128708, 134304, 151092, 160885, 167880, 188865, 193062, 198720, 201456, 223840, 251820, 257416, 268608, 289593, 302184, 321770, 335760, 377730, 386124, 402912, 447680, 482655, 503640, 514832, 579186, 604368, 643540, 671520, 755460, 772248, 805824, 868779, 965310, 1007280, 1029664, 1158372, 1208736, 1287080, 1343040, 1447965, 1510920, 1544496, 1737558, 1930620, 2014560, 2059328, 2316744, 2417472, 2574160, 2895930, 3021840, 3088992, 3475116, 3861240, 4029120, 4343895, 4633488, 5148320, 5791860, 6043680, 6177984, 6950232, 7722480, 8687790, 9266976, 10296640, 11583720, 12087360, 13900464, 15444960, 17375580, 18533952, 23167440, 27800928, 30889920, 34751160, 46334880, 55601856, 69502320, 92669760, 139004640, 278009280]

約数ペア:

[(1, 278009280), (2, 139004640), (3, 92669760), (4, 69502320), (5, 55601856), (6, 46334880), (8, 34751160), (9, 30889920), (10, 27800928), (12, 23167440), (15, 18533952), (16, 17375580), (18, 15444960), (20, 13900464), (23, 12087360), (24, 11583720), (27, 10296640), (30, 9266976), (32, 8687790), (36, 7722480), (40, 6950232), (45, 6177984), (46, 6043680), (48, 5791860), (54, 5148320), (60, 4633488), (64, 4343895), (69, 4029120), (72, 3861240), (80, 3475116), (90, 3088992), (92, 3021840), (96, 2895930), (108, 2574160), (115, 2417472), (120, 2316744), (135, 2059328), (138, 2014560), (144, 1930620), (160, 1737558), (180, 1544496), (184, 1510920), (192, 1447965), (207, 1343040), (216, 1287080), (230, 1208736), (240, 1158372), (270, 1029664), (276, 1007280), (288, 965310), (320, 868779), (345, 805824), (360, 772248), (368, 755460), (414, 671520), (432, 643540), (460, 604368), (480, 579186), (540, 514832), (552, 503640), (576, 482655), (621, 447680), (690, 402912), (720, 386124), (736, 377730), (828, 335760), (864, 321770), (920, 302184), (960, 289593), (1035, 268608), (1080, 257416), (1104, 251820), (1242, 223840), (1380, 201456), (1399, 198720), (1440, 193062), (1472, 188865), (1656, 167880), (1728, 160885), (1840, 151092), (2070, 134304), (2160, 128708), (2208, 125910), (2484, 111920), (2760, 100728), (2798, 99360), (2880, 96531), (3105, 89536), (3312, 83940), (3680, 75546), (4140, 67152), (4197, 66240), (4320, 64354), (4416, 62955), (4968, 55960), (5520, 50364), (5596, 49680), (6210, 44768), (6624, 41970), (6995, 39744), (7360, 37773), (8280, 33576), (8394, 33120), (8640, 32177), (9936, 27980), (11040, 25182), (11192, 24840), (12420, 22384), (12591, 22080), (13248, 20985), (13990, 19872), (16560, 16788)]