21631680

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 336

約数和(自身を含む): 90342720

約数和(自身を除く): 68711040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 32, 35, 36, 37, 40, 42, 45, 48, 56, 58, 60, 63, 64, 70, 72, 74, 80, 84, 87, 90, 96, 105, 111, 112, 116, 120, 126, 140, 144, 145, 148, 160, 168, 174, 180, 185, 192, 203, 210, 222, 224, 232, 240, 252, 259, 261, 280, 288, 290, 296, 315, 320, 333, 336, 348, 360, 370, 406, 420, 435, 444, 448, 464, 480, 504, 518, 522, 555, 560, 576, 580, 592, 609, 630, 666, 672, 696, 720, 740, 777, 812, 840, 870, 888, 928, 960, 1008, 1015, 1036, 1044, 1073, 1110, 1120, 1160, 1184, 1218, 1260, 1295, 1305, 1332, 1344, 1392, 1440, 1480, 1554, 1624, 1665, 1680, 1740, 1776, 1827, 1856, 2016, 2030, 2072, 2088, 2146, 2220, 2240, 2320, 2331, 2368, 2436, 2520, 2590, 2610, 2664, 2784, 2880, 2960, 3045, 3108, 3219, 3248, 3330, 3360, 3480, 3552, 3654, 3885, 4032, 4060, 4144, 4176, 4292, 4440, 4640, 4662, 4872, 5040, 5180, 5220, 5328, 5365, 5568, 5920, 6090, 6216, 6438, 6496, 6660, 6720, 6960, 7104, 7308, 7511, 7770, 8120, 8288, 8352, 8584, 8880, 9135, 9280, 9324, 9657, 9744, 10080, 10360, 10440, 10656, 10730, 11655, 11840, 12180, 12432, 12876, 12992, 13320, 13920, 14616, 15022, 15540, 16095, 16240, 16576, 16704, 17168, 17760, 18270, 18648, 19314, 19488, 20160, 20720, 20880, 21312, 21460, 22533, 23310, 24360, 24864, 25752, 26640, 27840, 29232, 30044, 31080, 32190, 32480, 34336, 35520, 36540, 37296, 37555, 38628, 38976, 41440, 41760, 42920, 45066, 46620, 48285, 48720, 49728, 51504, 53280, 58464, 60088, 62160, 64380, 64960, 67599, 68672, 73080, 74592, 75110, 77256, 82880, 83520, 85840, 90132, 93240, 96570, 97440, 103008, 106560, 112665, 116928, 120176, 124320, 128760, 135198, 146160, 149184, 150220, 154512, 171680, 180264, 186480, 193140, 194880, 206016, 225330, 240352, 248640, 257520, 270396, 292320, 300440, 309024, 337995, 343360, 360528, 372960, 386280, 450660, 480704, 515040, 540792, 584640, 600880, 618048, 675990, 721056, 745920, 772560, 901320, 1030080, 1081584, 1201760, 1351980, 1442112, 1545120, 1802640, 2163168, 2403520, 2703960, 3090240, 3605280, 4326336, 5407920, 7210560, 10815840, 21631680]

約数ペア:

[(1, 21631680), (2, 10815840), (3, 7210560), (4, 5407920), (5, 4326336), (6, 3605280), (7, 3090240), (8, 2703960), (9, 2403520), (10, 2163168), (12, 1802640), (14, 1545120), (15, 1442112), (16, 1351980), (18, 1201760), (20, 1081584), (21, 1030080), (24, 901320), (28, 772560), (29, 745920), (30, 721056), (32, 675990), (35, 618048), (36, 600880), (37, 584640), (40, 540792), (42, 515040), (45, 480704), (48, 450660), (56, 386280), (58, 372960), (60, 360528), (63, 343360), (64, 337995), (70, 309024), (72, 300440), (74, 292320), (80, 270396), (84, 257520), (87, 248640), (90, 240352), (96, 225330), (105, 206016), (111, 194880), (112, 193140), (116, 186480), (120, 180264), (126, 171680), (140, 154512), (144, 150220), (145, 149184), (148, 146160), (160, 135198), (168, 128760), (174, 124320), (180, 120176), (185, 116928), (192, 112665), (203, 106560), (210, 103008), (222, 97440), (224, 96570), (232, 93240), (240, 90132), (252, 85840), (259, 83520), (261, 82880), (280, 77256), (288, 75110), (290, 74592), (296, 73080), (315, 68672), (320, 67599), (333, 64960), (336, 64380), (348, 62160), (360, 60088), (370, 58464), (406, 53280), (420, 51504), (435, 49728), (444, 48720), (448, 48285), (464, 46620), (480, 45066), (504, 42920), (518, 41760), (522, 41440), (555, 38976), (560, 38628), (576, 37555), (580, 37296), (592, 36540), (609, 35520), (630, 34336), (666, 32480), (672, 32190), (696, 31080), (720, 30044), (740, 29232), (777, 27840), (812, 26640), (840, 25752), (870, 24864), (888, 24360), (928, 23310), (960, 22533), (1008, 21460), (1015, 21312), (1036, 20880), (1044, 20720), (1073, 20160), (1110, 19488), (1120, 19314), (1160, 18648), (1184, 18270), (1218, 17760), (1260, 17168), (1295, 16704), (1305, 16576), (1332, 16240), (1344, 16095), (1392, 15540), (1440, 15022), (1480, 14616), (1554, 13920), (1624, 13320), (1665, 12992), (1680, 12876), (1740, 12432), (1776, 12180), (1827, 11840), (1856, 11655), (2016, 10730), (2030, 10656), (2072, 10440), (2088, 10360), (2146, 10080), (2220, 9744), (2240, 9657), (2320, 9324), (2331, 9280), (2368, 9135), (2436, 8880), (2520, 8584), (2590, 8352), (2610, 8288), (2664, 8120), (2784, 7770), (2880, 7511), (2960, 7308), (3045, 7104), (3108, 6960), (3219, 6720), (3248, 6660), (3330, 6496), (3360, 6438), (3480, 6216), (3552, 6090), (3654, 5920), (3885, 5568), (4032, 5365), (4060, 5328), (4144, 5220), (4176, 5180), (4292, 5040), (4440, 4872), (4640, 4662)]