20078861880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{13841}}^1$

素因数の和:14030

約数の個数: 256

約数和(自身を含む): 75583964160

約数和(自身を除く): 55505102280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 157, 165, 168, 210, 220, 231, 264, 280, 308, 314, 330, 385, 420, 440, 462, 471, 616, 628, 660, 770, 785, 840, 924, 942, 1099, 1155, 1256, 1320, 1540, 1570, 1727, 1848, 1884, 2198, 2310, 2355, 3080, 3140, 3297, 3454, 3768, 4396, 4620, 4710, 5181, 5495, 6280, 6594, 6908, 8635, 8792, 9240, 9420, 10362, 10990, 12089, 13188, 13816, 13841, 16485, 17270, 18840, 20724, 21980, 24178, 25905, 26376, 27682, 32970, 34540, 36267, 41448, 41523, 43960, 48356, 51810, 55364, 60445, 65940, 69080, 69205, 72534, 83046, 96712, 96887, 103620, 110728, 120890, 131880, 138410, 145068, 152251, 166092, 181335, 193774, 207240, 207615, 241780, 276820, 290136, 290661, 304502, 332184, 362670, 387548, 415230, 456753, 483560, 484435, 553640, 581322, 609004, 725340, 761255, 775096, 830460, 913506, 968870, 1065757, 1162644, 1218008, 1450680, 1453305, 1522510, 1660920, 1827012, 1937740, 2131514, 2173037, 2283765, 2325288, 2906610, 3045020, 3197271, 3654024, 3875480, 4263028, 4346074, 4567530, 5328785, 5813220, 6090040, 6394542, 6519111, 8526056, 8692148, 9135060, 10657570, 10865185, 11626440, 12789084, 13038222, 15211259, 15986355, 17384296, 18270120, 21315140, 21730370, 23903407, 25578168, 26076444, 30422518, 31972710, 32595555, 42630280, 43460740, 45633777, 47806814, 52152888, 60845036, 63945420, 65191110, 71710221, 76056295, 86921480, 91267554, 95613628, 119517035, 121690072, 127890840, 130382220, 143420442, 152112590, 167323849, 182535108, 191227256, 228168885, 239034070, 260764440, 286840884, 304225180, 334647698, 358551105, 365070216, 456337770, 478068140, 501971547, 573681768, 608450360, 669295396, 717102210, 836619245, 912675540, 956136280, 1003943094, 1338590792, 1434204420, 1673238490, 1825351080, 2007886188, 2509857735, 2868408840, 3346476980, 4015772376, 5019715470, 6692953960, 10039430940, 20078861880]

約数ペア:

[(1, 20078861880), (2, 10039430940), (3, 6692953960), (4, 5019715470), (5, 4015772376), (6, 3346476980), (7, 2868408840), (8, 2509857735), (10, 2007886188), (11, 1825351080), (12, 1673238490), (14, 1434204420), (15, 1338590792), (20, 1003943094), (21, 956136280), (22, 912675540), (24, 836619245), (28, 717102210), (30, 669295396), (33, 608450360), (35, 573681768), (40, 501971547), (42, 478068140), (44, 456337770), (55, 365070216), (56, 358551105), (60, 334647698), (66, 304225180), (70, 286840884), (77, 260764440), (84, 239034070), (88, 228168885), (105, 191227256), (110, 182535108), (120, 167323849), (132, 152112590), (140, 143420442), (154, 130382220), (157, 127890840), (165, 121690072), (168, 119517035), (210, 95613628), (220, 91267554), (231, 86921480), (264, 76056295), (280, 71710221), (308, 65191110), (314, 63945420), (330, 60845036), (385, 52152888), (420, 47806814), (440, 45633777), (462, 43460740), (471, 42630280), (616, 32595555), (628, 31972710), (660, 30422518), (770, 26076444), (785, 25578168), (840, 23903407), (924, 21730370), (942, 21315140), (1099, 18270120), (1155, 17384296), (1256, 15986355), (1320, 15211259), (1540, 13038222), (1570, 12789084), (1727, 11626440), (1848, 10865185), (1884, 10657570), (2198, 9135060), (2310, 8692148), (2355, 8526056), (3080, 6519111), (3140, 6394542), (3297, 6090040), (3454, 5813220), (3768, 5328785), (4396, 4567530), (4620, 4346074), (4710, 4263028), (5181, 3875480), (5495, 3654024), (6280, 3197271), (6594, 3045020), (6908, 2906610), (8635, 2325288), (8792, 2283765), (9240, 2173037), (9420, 2131514), (10362, 1937740), (10990, 1827012), (12089, 1660920), (13188, 1522510), (13816, 1453305), (13841, 1450680), (16485, 1218008), (17270, 1162644), (18840, 1065757), (20724, 968870), (21980, 913506), (24178, 830460), (25905, 775096), (26376, 761255), (27682, 725340), (32970, 609004), (34540, 581322), (36267, 553640), (41448, 484435), (41523, 483560), (43960, 456753), (48356, 415230), (51810, 387548), (55364, 362670), (60445, 332184), (65940, 304502), (69080, 290661), (69205, 290136), (72534, 276820), (83046, 241780), (96712, 207615), (96887, 207240), (103620, 193774), (110728, 181335), (120890, 166092), (131880, 152251), (138410, 145068)]