21356991360

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4079}}^1$

素因数の和:4211

約数の個数: 320

約数和(自身を含む): 77043700800

約数和(自身を除く): 55686709440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 101, 108, 120, 128, 135, 144, 160, 162, 180, 192, 202, 216, 240, 270, 288, 303, 320, 324, 360, 384, 404, 405, 432, 480, 505, 540, 576, 606, 640, 648, 720, 808, 810, 864, 909, 960, 1010, 1080, 1152, 1212, 1296, 1440, 1515, 1616, 1620, 1728, 1818, 1920, 2020, 2160, 2424, 2592, 2727, 2880, 3030, 3232, 3240, 3456, 3636, 4040, 4079, 4320, 4545, 4848, 5184, 5454, 5760, 6060, 6464, 6480, 7272, 8080, 8158, 8181, 8640, 9090, 9696, 10368, 10908, 12120, 12237, 12928, 12960, 13635, 14544, 16160, 16316, 16362, 17280, 18180, 19392, 20395, 21816, 24240, 24474, 25920, 27270, 29088, 32320, 32632, 32724, 36360, 36711, 38784, 40790, 40905, 43632, 48480, 48948, 51840, 54540, 58176, 61185, 64640, 65264, 65448, 72720, 73422, 81580, 81810, 87264, 96960, 97896, 109080, 110133, 116352, 122370, 130528, 130896, 145440, 146844, 163160, 163620, 174528, 183555, 193920, 195792, 218160, 220266, 244740, 261056, 261792, 290880, 293688, 326320, 327240, 330399, 349056, 367110, 391584, 411979, 436320, 440532, 489480, 522112, 523584, 550665, 581760, 587376, 652640, 654480, 660798, 734220, 783168, 823958, 872640, 881064, 978960, 1047168, 1101330, 1174752, 1235937, 1305280, 1308960, 1321596, 1468440, 1566336, 1647916, 1651995, 1745280, 1762128, 1957920, 2059895, 2202660, 2349504, 2471874, 2610560, 2617920, 2643192, 2936880, 3295832, 3303990, 3524256, 3707811, 3915840, 4119790, 4405320, 4699008, 4943748, 5235840, 5286384, 5873760, 6179685, 6591664, 6607980, 7048512, 7415622, 7831680, 8239580, 8810640, 9887496, 10572768, 11123433, 11747520, 12359370, 13183328, 13215960, 14097024, 14831244, 16479160, 17621280, 18539055, 19774992, 21145536, 22246866, 23495040, 24718740, 26366656, 26431920, 29662488, 32958320, 33370299, 35242560, 37078110, 39549984, 42291072, 44493732, 49437480, 52733312, 52863840, 55617165, 59324976, 65916640, 66740598, 70485120, 74156220, 79099968, 88987464, 98874960, 105727680, 111234330, 118649952, 131833280, 133481196, 148312440, 158199936, 166851495, 177974928, 197749920, 211455360, 222468660, 237299904, 263666560, 266962392, 296624880, 333702990, 355949856, 395499840, 444937320, 474599808, 533924784, 593249760, 667405980, 711899712, 790999680, 889874640, 1067849568, 1186499520, 1334811960, 1423799424, 1779749280, 2135699136, 2372999040, 2669623920, 3559498560, 4271398272, 5339247840, 7118997120, 10678495680, 21356991360]

約数ペア:

[(1, 21356991360), (2, 10678495680), (3, 7118997120), (4, 5339247840), (5, 4271398272), (6, 3559498560), (8, 2669623920), (9, 2372999040), (10, 2135699136), (12, 1779749280), (15, 1423799424), (16, 1334811960), (18, 1186499520), (20, 1067849568), (24, 889874640), (27, 790999680), (30, 711899712), (32, 667405980), (36, 593249760), (40, 533924784), (45, 474599808), (48, 444937320), (54, 395499840), (60, 355949856), (64, 333702990), (72, 296624880), (80, 266962392), (81, 263666560), (90, 237299904), (96, 222468660), (101, 211455360), (108, 197749920), (120, 177974928), (128, 166851495), (135, 158199936), (144, 148312440), (160, 133481196), (162, 131833280), (180, 118649952), (192, 111234330), (202, 105727680), (216, 98874960), (240, 88987464), (270, 79099968), (288, 74156220), (303, 70485120), (320, 66740598), (324, 65916640), (360, 59324976), (384, 55617165), (404, 52863840), (405, 52733312), (432, 49437480), (480, 44493732), (505, 42291072), (540, 39549984), (576, 37078110), (606, 35242560), (640, 33370299), (648, 32958320), (720, 29662488), (808, 26431920), (810, 26366656), (864, 24718740), (909, 23495040), (960, 22246866), (1010, 21145536), (1080, 19774992), (1152, 18539055), (1212, 17621280), (1296, 16479160), (1440, 14831244), (1515, 14097024), (1616, 13215960), (1620, 13183328), (1728, 12359370), (1818, 11747520), (1920, 11123433), (2020, 10572768), (2160, 9887496), (2424, 8810640), (2592, 8239580), (2727, 7831680), (2880, 7415622), (3030, 7048512), (3232, 6607980), (3240, 6591664), (3456, 6179685), (3636, 5873760), (4040, 5286384), (4079, 5235840), (4320, 4943748), (4545, 4699008), (4848, 4405320), (5184, 4119790), (5454, 3915840), (5760, 3707811), (6060, 3524256), (6464, 3303990), (6480, 3295832), (7272, 2936880), (8080, 2643192), (8158, 2617920), (8181, 2610560), (8640, 2471874), (9090, 2349504), (9696, 2202660), (10368, 2059895), (10908, 1957920), (12120, 1762128), (12237, 1745280), (12928, 1651995), (12960, 1647916), (13635, 1566336), (14544, 1468440), (16160, 1321596), (16316, 1308960), (16362, 1305280), (17280, 1235937), (18180, 1174752), (19392, 1101330), (20395, 1047168), (21816, 978960), (24240, 881064), (24474, 872640), (25920, 823958), (27270, 783168), (29088, 734220), (32320, 660798), (32632, 654480), (32724, 652640), (36360, 587376), (36711, 581760), (38784, 550665), (40790, 523584), (40905, 522112), (43632, 489480), (48480, 440532), (48948, 436320), (51840, 411979), (54540, 391584), (58176, 367110), (61185, 349056), (64640, 330399), (65264, 327240), (65448, 326320), (72720, 293688), (73422, 290880), (81580, 261792), (81810, 261056), (87264, 244740), (96960, 220266), (97896, 218160), (109080, 195792), (110133, 193920), (116352, 183555), (122370, 174528), (130528, 163620), (130896, 163160), (145440, 146844)]