1821985062920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2448773}}^1$

素因数の和:2448903

約数の個数: 128

約数和(自身を含む): 4760416656000

約数和(自身を除く): 2938431593080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 89, 95, 110, 152, 178, 190, 209, 220, 356, 380, 418, 440, 445, 712, 760, 836, 890, 979, 1045, 1672, 1691, 1780, 1958, 2090, 3382, 3560, 3916, 4180, 4895, 6764, 7832, 8360, 8455, 9790, 13528, 16910, 18601, 19580, 33820, 37202, 39160, 67640, 74404, 93005, 148808, 186010, 372020, 744040, 2448773, 4897546, 9795092, 12243865, 19590184, 24487730, 26936503, 46526687, 48975460, 53873006, 93053374, 97950920, 107746012, 134682515, 186106748, 215492024, 217940797, 232633435, 269365030, 372213496, 435881594, 465266870, 511793557, 538730060, 871763188, 930533740, 1023587114, 1077460120, 1089703985, 1743526376, 1861067480, 2047174228, 2179407970, 2397348767, 2558967785, 4094348456, 4140875143, 4358815940, 4794697534, 5117935570, 8281750286, 8717631880, 9589395068, 10235871140, 11986743835, 16563500572, 19178790136, 20471742280, 20704375715, 23973487670, 33127001144, 41408751430, 45549626573, 47946975340, 82817502860, 91099253146, 95893950680, 165635005720, 182198506292, 227748132865, 364397012584, 455496265730, 910992531460, 1821985062920]

約数ペア:

[(1, 1821985062920), (2, 910992531460), (4, 455496265730), (5, 364397012584), (8, 227748132865), (10, 182198506292), (11, 165635005720), (19, 95893950680), (20, 91099253146), (22, 82817502860), (38, 47946975340), (40, 45549626573), (44, 41408751430), (55, 33127001144), (76, 23973487670), (88, 20704375715), (89, 20471742280), (95, 19178790136), (110, 16563500572), (152, 11986743835), (178, 10235871140), (190, 9589395068), (209, 8717631880), (220, 8281750286), (356, 5117935570), (380, 4794697534), (418, 4358815940), (440, 4140875143), (445, 4094348456), (712, 2558967785), (760, 2397348767), (836, 2179407970), (890, 2047174228), (979, 1861067480), (1045, 1743526376), (1672, 1089703985), (1691, 1077460120), (1780, 1023587114), (1958, 930533740), (2090, 871763188), (3382, 538730060), (3560, 511793557), (3916, 465266870), (4180, 435881594), (4895, 372213496), (6764, 269365030), (7832, 232633435), (8360, 217940797), (8455, 215492024), (9790, 186106748), (13528, 134682515), (16910, 107746012), (18601, 97950920), (19580, 93053374), (33820, 53873006), (37202, 48975460), (39160, 46526687), (67640, 26936503), (74404, 24487730), (93005, 19590184), (148808, 12243865), (186010, 9795092), (372020, 4897546), (744040, 2448773)]