20779200

素因数分解:

$2^6\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 336

約数和(自身を含む): 83779360

約数和(自身を除く): 63000160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 27, 30, 32, 36, 37, 39, 40, 45, 48, 50, 52, 54, 60, 64, 65, 72, 74, 75, 78, 80, 90, 96, 100, 104, 108, 111, 117, 120, 130, 135, 144, 148, 150, 156, 160, 180, 185, 192, 195, 200, 208, 216, 222, 225, 234, 240, 260, 270, 288, 296, 300, 312, 320, 325, 333, 351, 360, 370, 390, 400, 416, 432, 444, 450, 468, 480, 481, 520, 540, 555, 576, 585, 592, 600, 624, 650, 666, 675, 702, 720, 740, 780, 800, 832, 864, 888, 900, 925, 936, 960, 962, 975, 999, 1040, 1080, 1110, 1170, 1184, 1200, 1248, 1300, 1332, 1350, 1404, 1440, 1443, 1480, 1560, 1600, 1665, 1728, 1755, 1776, 1800, 1850, 1872, 1924, 1950, 1998, 2080, 2160, 2220, 2340, 2368, 2400, 2405, 2496, 2600, 2664, 2700, 2775, 2808, 2880, 2886, 2925, 2960, 3120, 3330, 3510, 3552, 3600, 3700, 3744, 3848, 3900, 3996, 4160, 4320, 4329, 4440, 4680, 4800, 4810, 4995, 5200, 5328, 5400, 5550, 5616, 5772, 5850, 5920, 6240, 6660, 7020, 7104, 7200, 7215, 7400, 7488, 7696, 7800, 7992, 8325, 8640, 8658, 8775, 8880, 9360, 9620, 9990, 10400, 10656, 10800, 11100, 11232, 11544, 11700, 11840, 12025, 12480, 12987, 13320, 14040, 14400, 14430, 14800, 15392, 15600, 15984, 16650, 17316, 17550, 17760, 18720, 19240, 19980, 20800, 21312, 21600, 21645, 22200, 22464, 23088, 23400, 24050, 24975, 25974, 26640, 28080, 28860, 29600, 30784, 31200, 31968, 33300, 34632, 35100, 35520, 36075, 37440, 38480, 39960, 43200, 43290, 44400, 46176, 46800, 48100, 49950, 51948, 53280, 56160, 57720, 59200, 62400, 63936, 64935, 66600, 69264, 70200, 72150, 76960, 79920, 86580, 88800, 92352, 93600, 96200, 99900, 103896, 106560, 108225, 112320, 115440, 129870, 133200, 138528, 140400, 144300, 153920, 159840, 173160, 177600, 187200, 192400, 199800, 207792, 216450, 230880, 259740, 266400, 277056, 280800, 288600, 319680, 324675, 346320, 384800, 399600, 415584, 432900, 461760, 519480, 532800, 561600, 577200, 649350, 692640, 769600, 799200, 831168, 865800, 1038960, 1154400, 1298700, 1385280, 1598400, 1731600, 2077920, 2308800, 2597400, 3463200, 4155840, 5194800, 6926400, 10389600, 20779200]

約数ペア:

[(1, 20779200), (2, 10389600), (3, 6926400), (4, 5194800), (5, 4155840), (6, 3463200), (8, 2597400), (9, 2308800), (10, 2077920), (12, 1731600), (13, 1598400), (15, 1385280), (16, 1298700), (18, 1154400), (20, 1038960), (24, 865800), (25, 831168), (26, 799200), (27, 769600), (30, 692640), (32, 649350), (36, 577200), (37, 561600), (39, 532800), (40, 519480), (45, 461760), (48, 432900), (50, 415584), (52, 399600), (54, 384800), (60, 346320), (64, 324675), (65, 319680), (72, 288600), (74, 280800), (75, 277056), (78, 266400), (80, 259740), (90, 230880), (96, 216450), (100, 207792), (104, 199800), (108, 192400), (111, 187200), (117, 177600), (120, 173160), (130, 159840), (135, 153920), (144, 144300), (148, 140400), (150, 138528), (156, 133200), (160, 129870), (180, 115440), (185, 112320), (192, 108225), (195, 106560), (200, 103896), (208, 99900), (216, 96200), (222, 93600), (225, 92352), (234, 88800), (240, 86580), (260, 79920), (270, 76960), (288, 72150), (296, 70200), (300, 69264), (312, 66600), (320, 64935), (325, 63936), (333, 62400), (351, 59200), (360, 57720), (370, 56160), (390, 53280), (400, 51948), (416, 49950), (432, 48100), (444, 46800), (450, 46176), (468, 44400), (480, 43290), (481, 43200), (520, 39960), (540, 38480), (555, 37440), (576, 36075), (585, 35520), (592, 35100), (600, 34632), (624, 33300), (650, 31968), (666, 31200), (675, 30784), (702, 29600), (720, 28860), (740, 28080), (780, 26640), (800, 25974), (832, 24975), (864, 24050), (888, 23400), (900, 23088), (925, 22464), (936, 22200), (960, 21645), (962, 21600), (975, 21312), (999, 20800), (1040, 19980), (1080, 19240), (1110, 18720), (1170, 17760), (1184, 17550), (1200, 17316), (1248, 16650), (1300, 15984), (1332, 15600), (1350, 15392), (1404, 14800), (1440, 14430), (1443, 14400), (1480, 14040), (1560, 13320), (1600, 12987), (1665, 12480), (1728, 12025), (1755, 11840), (1776, 11700), (1800, 11544), (1850, 11232), (1872, 11100), (1924, 10800), (1950, 10656), (1998, 10400), (2080, 9990), (2160, 9620), (2220, 9360), (2340, 8880), (2368, 8775), (2400, 8658), (2405, 8640), (2496, 8325), (2600, 7992), (2664, 7800), (2700, 7696), (2775, 7488), (2808, 7400), (2880, 7215), (2886, 7200), (2925, 7104), (2960, 7020), (3120, 6660), (3330, 6240), (3510, 5920), (3552, 5850), (3600, 5772), (3700, 5616), (3744, 5550), (3848, 5400), (3900, 5328), (3996, 5200), (4160, 4995), (4320, 4810), (4329, 4800), (4440, 4680)]