20747305600

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{307}}^1\times {\mathrm{431}}^1$

素因数の和:776

約数の個数: 288

約数和(自身を含む): 59953037760

約数和(自身を除く): 39205732160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 280, 307, 320, 350, 392, 400, 431, 448, 490, 560, 614, 640, 700, 784, 800, 862, 896, 980, 1120, 1225, 1228, 1400, 1535, 1568, 1600, 1724, 1960, 2149, 2155, 2240, 2450, 2456, 2800, 3017, 3070, 3136, 3200, 3448, 3920, 4298, 4310, 4480, 4900, 4912, 5600, 6034, 6140, 6272, 6896, 7675, 7840, 8596, 8620, 9800, 9824, 10745, 10775, 11200, 12068, 12280, 13792, 15043, 15085, 15350, 15680, 17192, 17240, 19600, 19648, 21119, 21490, 21550, 22400, 24136, 24560, 27584, 30086, 30170, 30700, 31360, 34384, 34480, 39200, 39296, 42238, 42980, 43100, 48272, 49120, 53725, 55168, 60172, 60340, 61400, 68768, 68960, 75215, 75425, 78400, 84476, 85960, 86200, 96544, 98240, 105595, 107450, 120344, 120680, 122800, 132317, 137536, 137920, 150430, 150850, 156800, 168952, 171920, 172400, 193088, 196480, 211190, 214900, 240688, 241360, 245600, 264634, 275072, 275840, 300860, 301700, 337904, 343840, 344800, 376075, 386176, 422380, 429800, 481376, 482720, 491200, 527975, 529268, 601720, 603400, 661585, 675808, 687680, 689600, 752150, 844760, 859600, 926219, 962752, 965440, 982400, 1055950, 1058536, 1203440, 1206800, 1323170, 1351616, 1375360, 1379200, 1504300, 1689520, 1719200, 1852438, 1925504, 1930880, 2111900, 2117072, 2406880, 2413600, 2646340, 2703232, 3008600, 3307925, 3379040, 3438400, 3704876, 4223800, 4234144, 4631095, 4813760, 4827200, 5292680, 6017200, 6483533, 6615850, 6758080, 6876800, 7409752, 8447600, 8468288, 9262190, 9627520, 9654400, 10585360, 12034400, 12967066, 13231700, 13516160, 14819504, 16895200, 16936576, 18524380, 21170720, 23155475, 24068800, 25934132, 26463400, 29639008, 32417665, 33790400, 37048760, 42341440, 46310950, 48137600, 51868264, 52926800, 59278016, 64835330, 67580800, 74097520, 84682880, 92621900, 103736528, 105853600, 118556032, 129670660, 148195040, 162088325, 185243800, 207473056, 211707200, 259341320, 296390080, 324176650, 370487600, 414946112, 423414400, 518682640, 592780160, 648353300, 740975200, 829892224, 1037365280, 1296706600, 1481950400, 2074730560, 2593413200, 2963900800, 4149461120, 5186826400, 10373652800, 20747305600]

約数ペア:

[(1, 20747305600), (2, 10373652800), (4, 5186826400), (5, 4149461120), (7, 2963900800), (8, 2593413200), (10, 2074730560), (14, 1481950400), (16, 1296706600), (20, 1037365280), (25, 829892224), (28, 740975200), (32, 648353300), (35, 592780160), (40, 518682640), (49, 423414400), (50, 414946112), (56, 370487600), (64, 324176650), (70, 296390080), (80, 259341320), (98, 211707200), (100, 207473056), (112, 185243800), (128, 162088325), (140, 148195040), (160, 129670660), (175, 118556032), (196, 105853600), (200, 103736528), (224, 92621900), (245, 84682880), (280, 74097520), (307, 67580800), (320, 64835330), (350, 59278016), (392, 52926800), (400, 51868264), (431, 48137600), (448, 46310950), (490, 42341440), (560, 37048760), (614, 33790400), (640, 32417665), (700, 29639008), (784, 26463400), (800, 25934132), (862, 24068800), (896, 23155475), (980, 21170720), (1120, 18524380), (1225, 16936576), (1228, 16895200), (1400, 14819504), (1535, 13516160), (1568, 13231700), (1600, 12967066), (1724, 12034400), (1960, 10585360), (2149, 9654400), (2155, 9627520), (2240, 9262190), (2450, 8468288), (2456, 8447600), (2800, 7409752), (3017, 6876800), (3070, 6758080), (3136, 6615850), (3200, 6483533), (3448, 6017200), (3920, 5292680), (4298, 4827200), (4310, 4813760), (4480, 4631095), (4900, 4234144), (4912, 4223800), (5600, 3704876), (6034, 3438400), (6140, 3379040), (6272, 3307925), (6896, 3008600), (7675, 2703232), (7840, 2646340), (8596, 2413600), (8620, 2406880), (9800, 2117072), (9824, 2111900), (10745, 1930880), (10775, 1925504), (11200, 1852438), (12068, 1719200), (12280, 1689520), (13792, 1504300), (15043, 1379200), (15085, 1375360), (15350, 1351616), (15680, 1323170), (17192, 1206800), (17240, 1203440), (19600, 1058536), (19648, 1055950), (21119, 982400), (21490, 965440), (21550, 962752), (22400, 926219), (24136, 859600), (24560, 844760), (27584, 752150), (30086, 689600), (30170, 687680), (30700, 675808), (31360, 661585), (34384, 603400), (34480, 601720), (39200, 529268), (39296, 527975), (42238, 491200), (42980, 482720), (43100, 481376), (48272, 429800), (49120, 422380), (53725, 386176), (55168, 376075), (60172, 344800), (60340, 343840), (61400, 337904), (68768, 301700), (68960, 300860), (75215, 275840), (75425, 275072), (78400, 264634), (84476, 245600), (85960, 241360), (86200, 240688), (96544, 214900), (98240, 211190), (105595, 196480), (107450, 193088), (120344, 172400), (120680, 171920), (122800, 168952), (132317, 156800), (137536, 150850), (137920, 150430)]