1720998720

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4493}}^1$

素因数の和:4542

約数の個数: 336

約数和(自身を含む): 7122810240

約数和(自身を除く): 5401811520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 168, 171, 180, 190, 192, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 320, 336, 342, 360, 380, 399, 420, 448, 456, 480, 504, 532, 560, 570, 576, 608, 630, 665, 672, 684, 720, 760, 798, 840, 855, 912, 960, 1008, 1064, 1120, 1140, 1197, 1216, 1260, 1330, 1344, 1368, 1440, 1520, 1596, 1680, 1710, 1824, 1995, 2016, 2128, 2240, 2280, 2394, 2520, 2660, 2736, 2880, 3040, 3192, 3360, 3420, 3648, 3990, 4032, 4256, 4493, 4560, 4788, 5040, 5320, 5472, 5985, 6080, 6384, 6720, 6840, 7980, 8512, 8986, 9120, 9576, 10080, 10640, 10944, 11970, 12768, 13479, 13680, 15960, 17972, 18240, 19152, 20160, 21280, 22465, 23940, 25536, 26958, 27360, 31451, 31920, 35944, 38304, 40437, 42560, 44930, 47880, 53916, 54720, 62902, 63840, 67395, 71888, 76608, 80874, 85367, 89860, 94353, 95760, 107832, 125804, 127680, 134790, 143776, 157255, 161748, 170734, 179720, 188706, 191520, 202185, 215664, 251608, 256101, 269580, 283059, 287552, 314510, 323496, 341468, 359440, 377412, 383040, 404370, 426835, 431328, 471765, 503216, 512202, 539160, 566118, 597569, 629020, 646992, 682936, 718880, 754824, 768303, 808740, 853670, 862656, 943530, 1006432, 1024404, 1078320, 1132236, 1195138, 1258040, 1280505, 1293984, 1365872, 1415295, 1437760, 1509648, 1536606, 1617480, 1707340, 1792707, 1887060, 2012864, 2048808, 2156640, 2264472, 2390276, 2516080, 2561010, 2587968, 2731744, 2830590, 2987845, 3019296, 3073212, 3234960, 3414680, 3585414, 3774120, 3841515, 4097616, 4313280, 4528944, 4780552, 5032160, 5122020, 5378121, 5463488, 5661180, 5975690, 6038592, 6146424, 6469920, 6829360, 7170828, 7548240, 7683030, 8195232, 8963535, 9057888, 9561104, 10064320, 10244040, 10756242, 11322360, 11951380, 12292848, 12939840, 13658720, 14341656, 15096480, 15366060, 16390464, 17927070, 18115776, 19122208, 20488080, 21512484, 22644720, 23902760, 24585696, 26890605, 27317440, 28683312, 30192960, 30732120, 35854140, 38244416, 40976160, 43024968, 45289440, 47805520, 49171392, 53781210, 57366624, 61464240, 71708280, 81952320, 86049936, 90578880, 95611040, 107562420, 114733248, 122928480, 143416560, 172099872, 191222080, 215124840, 245856960, 286833120, 344199744, 430249680, 573666240, 860499360, 1720998720]

約数ペア:

[(1, 1720998720), (2, 860499360), (3, 573666240), (4, 430249680), (5, 344199744), (6, 286833120), (7, 245856960), (8, 215124840), (9, 191222080), (10, 172099872), (12, 143416560), (14, 122928480), (15, 114733248), (16, 107562420), (18, 95611040), (19, 90578880), (20, 86049936), (21, 81952320), (24, 71708280), (28, 61464240), (30, 57366624), (32, 53781210), (35, 49171392), (36, 47805520), (38, 45289440), (40, 43024968), (42, 40976160), (45, 38244416), (48, 35854140), (56, 30732120), (57, 30192960), (60, 28683312), (63, 27317440), (64, 26890605), (70, 24585696), (72, 23902760), (76, 22644720), (80, 21512484), (84, 20488080), (90, 19122208), (95, 18115776), (96, 17927070), (105, 16390464), (112, 15366060), (114, 15096480), (120, 14341656), (126, 13658720), (133, 12939840), (140, 12292848), (144, 11951380), (152, 11322360), (160, 10756242), (168, 10244040), (171, 10064320), (180, 9561104), (190, 9057888), (192, 8963535), (210, 8195232), (224, 7683030), (228, 7548240), (240, 7170828), (252, 6829360), (266, 6469920), (280, 6146424), (285, 6038592), (288, 5975690), (304, 5661180), (315, 5463488), (320, 5378121), (336, 5122020), (342, 5032160), (360, 4780552), (380, 4528944), (399, 4313280), (420, 4097616), (448, 3841515), (456, 3774120), (480, 3585414), (504, 3414680), (532, 3234960), (560, 3073212), (570, 3019296), (576, 2987845), (608, 2830590), (630, 2731744), (665, 2587968), (672, 2561010), (684, 2516080), (720, 2390276), (760, 2264472), (798, 2156640), (840, 2048808), (855, 2012864), (912, 1887060), (960, 1792707), (1008, 1707340), (1064, 1617480), (1120, 1536606), (1140, 1509648), (1197, 1437760), (1216, 1415295), (1260, 1365872), (1330, 1293984), (1344, 1280505), (1368, 1258040), (1440, 1195138), (1520, 1132236), (1596, 1078320), (1680, 1024404), (1710, 1006432), (1824, 943530), (1995, 862656), (2016, 853670), (2128, 808740), (2240, 768303), (2280, 754824), (2394, 718880), (2520, 682936), (2660, 646992), (2736, 629020), (2880, 597569), (3040, 566118), (3192, 539160), (3360, 512202), (3420, 503216), (3648, 471765), (3990, 431328), (4032, 426835), (4256, 404370), (4493, 383040), (4560, 377412), (4788, 359440), (5040, 341468), (5320, 323496), (5472, 314510), (5985, 287552), (6080, 283059), (6384, 269580), (6720, 256101), (6840, 251608), (7980, 215664), (8512, 202185), (8986, 191520), (9120, 188706), (9576, 179720), (10080, 170734), (10640, 161748), (10944, 157255), (11970, 143776), (12768, 134790), (13479, 127680), (13680, 125804), (15960, 107832), (17972, 95760), (18240, 94353), (19152, 89860), (20160, 85367), (21280, 80874), (22465, 76608), (23940, 71888), (25536, 67395), (26958, 63840), (27360, 62902), (31451, 54720), (31920, 53916), (35944, 47880), (38304, 44930), (40437, 42560)]