20987278320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:492

約数の個数: 320

約数和(自身を含む): 68384194560

約数和(自身を除く): 47396916240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 67, 80, 86, 120, 127, 129, 134, 172, 201, 215, 239, 240, 254, 258, 268, 335, 344, 381, 402, 430, 478, 508, 516, 536, 635, 645, 670, 688, 717, 762, 804, 860, 956, 1005, 1016, 1032, 1072, 1195, 1270, 1290, 1340, 1434, 1524, 1608, 1720, 1905, 1912, 2010, 2032, 2064, 2390, 2540, 2580, 2680, 2868, 2881, 3048, 3216, 3440, 3585, 3810, 3824, 4020, 4780, 5080, 5160, 5360, 5461, 5736, 5762, 6096, 7170, 7620, 8040, 8509, 8643, 9560, 10160, 10277, 10320, 10922, 11472, 11524, 14340, 14405, 15240, 16013, 16080, 16383, 17018, 17286, 19120, 20554, 21844, 23048, 25527, 27305, 28680, 28810, 30353, 30480, 30831, 32026, 32766, 34036, 34572, 41108, 42545, 43215, 43688, 46096, 48039, 51054, 51385, 54610, 57360, 57620, 60706, 61662, 64052, 65532, 68072, 69144, 80065, 81915, 82216, 85090, 86430, 87376, 91059, 96078, 102108, 102770, 109220, 115240, 121412, 123324, 127635, 128104, 131064, 136144, 138288, 151765, 154155, 160130, 163830, 164432, 170180, 172860, 182118, 192156, 204216, 205540, 218440, 230480, 240195, 242824, 246648, 255270, 256208, 262128, 303530, 308310, 320260, 327660, 340360, 345720, 364236, 365887, 384312, 408432, 411080, 436880, 455295, 480390, 485648, 493296, 510540, 607060, 616620, 640520, 655320, 680720, 688559, 691440, 728472, 731774, 768624, 822160, 910590, 960780, 1021080, 1097661, 1214120, 1233240, 1281040, 1305179, 1310640, 1377118, 1456944, 1463548, 1821180, 1829435, 1921560, 2033651, 2042160, 2065677, 2195322, 2428240, 2466480, 2610358, 2754236, 2927096, 3442795, 3642360, 3658870, 3843120, 3915537, 4067302, 4131354, 4390644, 5220716, 5488305, 5508472, 5854192, 6100953, 6525895, 6885590, 7284720, 7317740, 7831074, 8134604, 8262708, 8781288, 10168255, 10328385, 10441432, 10976610, 11016944, 12201906, 13051790, 13771180, 14635480, 15662148, 16269208, 16525416, 17562576, 19577685, 20336510, 20656770, 20882864, 21953220, 24403812, 26103580, 27542360, 29270960, 30504765, 31324296, 32538416, 33050832, 39155370, 40673020, 41313540, 43906440, 48807624, 52207160, 55084720, 61009530, 62648592, 78310740, 81346040, 82627080, 87446993, 87812880, 97615248, 104414320, 122019060, 156621480, 162692080, 165254160, 174893986, 244038120, 262340979, 313242960, 349787972, 437234965, 488076240, 524681958, 699575944, 874469930, 1049363916, 1311704895, 1399151888, 1748939860, 2098727832, 2623409790, 3497879720, 4197455664, 5246819580, 6995759440, 10493639160, 20987278320]

約数ペア:

[(1, 20987278320), (2, 10493639160), (3, 6995759440), (4, 5246819580), (5, 4197455664), (6, 3497879720), (8, 2623409790), (10, 2098727832), (12, 1748939860), (15, 1399151888), (16, 1311704895), (20, 1049363916), (24, 874469930), (30, 699575944), (40, 524681958), (43, 488076240), (48, 437234965), (60, 349787972), (67, 313242960), (80, 262340979), (86, 244038120), (120, 174893986), (127, 165254160), (129, 162692080), (134, 156621480), (172, 122019060), (201, 104414320), (215, 97615248), (239, 87812880), (240, 87446993), (254, 82627080), (258, 81346040), (268, 78310740), (335, 62648592), (344, 61009530), (381, 55084720), (402, 52207160), (430, 48807624), (478, 43906440), (508, 41313540), (516, 40673020), (536, 39155370), (635, 33050832), (645, 32538416), (670, 31324296), (688, 30504765), (717, 29270960), (762, 27542360), (804, 26103580), (860, 24403812), (956, 21953220), (1005, 20882864), (1016, 20656770), (1032, 20336510), (1072, 19577685), (1195, 17562576), (1270, 16525416), (1290, 16269208), (1340, 15662148), (1434, 14635480), (1524, 13771180), (1608, 13051790), (1720, 12201906), (1905, 11016944), (1912, 10976610), (2010, 10441432), (2032, 10328385), (2064, 10168255), (2390, 8781288), (2540, 8262708), (2580, 8134604), (2680, 7831074), (2868, 7317740), (2881, 7284720), (3048, 6885590), (3216, 6525895), (3440, 6100953), (3585, 5854192), (3810, 5508472), (3824, 5488305), (4020, 5220716), (4780, 4390644), (5080, 4131354), (5160, 4067302), (5360, 3915537), (5461, 3843120), (5736, 3658870), (5762, 3642360), (6096, 3442795), (7170, 2927096), (7620, 2754236), (8040, 2610358), (8509, 2466480), (8643, 2428240), (9560, 2195322), (10160, 2065677), (10277, 2042160), (10320, 2033651), (10922, 1921560), (11472, 1829435), (11524, 1821180), (14340, 1463548), (14405, 1456944), (15240, 1377118), (16013, 1310640), (16080, 1305179), (16383, 1281040), (17018, 1233240), (17286, 1214120), (19120, 1097661), (20554, 1021080), (21844, 960780), (23048, 910590), (25527, 822160), (27305, 768624), (28680, 731774), (28810, 728472), (30353, 691440), (30480, 688559), (30831, 680720), (32026, 655320), (32766, 640520), (34036, 616620), (34572, 607060), (41108, 510540), (42545, 493296), (43215, 485648), (43688, 480390), (46096, 455295), (48039, 436880), (51054, 411080), (51385, 408432), (54610, 384312), (57360, 365887), (57620, 364236), (60706, 345720), (61662, 340360), (64052, 327660), (65532, 320260), (68072, 308310), (69144, 303530), (80065, 262128), (81915, 256208), (82216, 255270), (85090, 246648), (86430, 242824), (87376, 240195), (91059, 230480), (96078, 218440), (102108, 205540), (102770, 204216), (109220, 192156), (115240, 182118), (121412, 172860), (123324, 170180), (127635, 164432), (128104, 163830), (131064, 160130), (136144, 154155), (138288, 151765)]