1820621880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21893}}^1$

素因数の和:21931

約数の個数: 256

約数和(自身を含む): 7566566400

約数和(自身を除く): 5745944520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1890, 1980, 2079, 2310, 2376, 2520, 2772, 2970, 3080, 3465, 3780, 3960, 4158, 4620, 5544, 5940, 6930, 7560, 8316, 9240, 10395, 11880, 13860, 16632, 20790, 21893, 27720, 41580, 43786, 65679, 83160, 87572, 109465, 131358, 153251, 175144, 197037, 218930, 240823, 262716, 306502, 328395, 394074, 437860, 459753, 481646, 525432, 591111, 613004, 656790, 722469, 766255, 788148, 875720, 919506, 963292, 985185, 1182222, 1204115, 1226008, 1313580, 1379259, 1444938, 1532510, 1576296, 1685761, 1839012, 1926584, 1970370, 2167407, 2298765, 2364444, 2408230, 2627160, 2758518, 2889876, 2955555, 3065020, 3371522, 3612345, 3678024, 3940740, 4137777, 4334814, 4597530, 4728888, 4816460, 5057283, 5517036, 5779752, 5911110, 6130040, 6502221, 6743044, 6896295, 7224690, 7881480, 8275554, 8428805, 8669628, 9195060, 9632920, 10114566, 10837035, 11034072, 11822220, 13004442, 13486088, 13792590, 14449380, 15171849, 16551108, 16857610, 17339256, 18390120, 20229132, 20688885, 21674070, 23644440, 25286415, 26008884, 27585180, 28898760, 30343698, 32511105, 33102216, 33715220, 40458264, 41377770, 43348140, 45515547, 50572830, 52017768, 55170360, 60687396, 65022210, 67430440, 75859245, 82755540, 86696280, 91031094, 101145660, 121374792, 130044420, 151718490, 165511080, 182062188, 202291320, 227577735, 260088840, 303436980, 364124376, 455155470, 606873960, 910310940, 1820621880]

約数ペア:

[(1, 1820621880), (2, 910310940), (3, 606873960), (4, 455155470), (5, 364124376), (6, 303436980), (7, 260088840), (8, 227577735), (9, 202291320), (10, 182062188), (11, 165511080), (12, 151718490), (14, 130044420), (15, 121374792), (18, 101145660), (20, 91031094), (21, 86696280), (22, 82755540), (24, 75859245), (27, 67430440), (28, 65022210), (30, 60687396), (33, 55170360), (35, 52017768), (36, 50572830), (40, 45515547), (42, 43348140), (44, 41377770), (45, 40458264), (54, 33715220), (55, 33102216), (56, 32511105), (60, 30343698), (63, 28898760), (66, 27585180), (70, 26008884), (72, 25286415), (77, 23644440), (84, 21674070), (88, 20688885), (90, 20229132), (99, 18390120), (105, 17339256), (108, 16857610), (110, 16551108), (120, 15171849), (126, 14449380), (132, 13792590), (135, 13486088), (140, 13004442), (154, 11822220), (165, 11034072), (168, 10837035), (180, 10114566), (189, 9632920), (198, 9195060), (210, 8669628), (216, 8428805), (220, 8275554), (231, 7881480), (252, 7224690), (264, 6896295), (270, 6743044), (280, 6502221), (297, 6130040), (308, 5911110), (315, 5779752), (330, 5517036), (360, 5057283), (378, 4816460), (385, 4728888), (396, 4597530), (420, 4334814), (440, 4137777), (462, 3940740), (495, 3678024), (504, 3612345), (540, 3371522), (594, 3065020), (616, 2955555), (630, 2889876), (660, 2758518), (693, 2627160), (756, 2408230), (770, 2364444), (792, 2298765), (840, 2167407), (924, 1970370), (945, 1926584), (990, 1839012), (1080, 1685761), (1155, 1576296), (1188, 1532510), (1260, 1444938), (1320, 1379259), (1386, 1313580), (1485, 1226008), (1512, 1204115), (1540, 1182222), (1848, 985185), (1890, 963292), (1980, 919506), (2079, 875720), (2310, 788148), (2376, 766255), (2520, 722469), (2772, 656790), (2970, 613004), (3080, 591111), (3465, 525432), (3780, 481646), (3960, 459753), (4158, 437860), (4620, 394074), (5544, 328395), (5940, 306502), (6930, 262716), (7560, 240823), (8316, 218930), (9240, 197037), (10395, 175144), (11880, 153251), (13860, 131358), (16632, 109465), (20790, 87572), (21893, 83160), (27720, 65679), (41580, 43786)]