639281760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1933}}^1$

素因数の和:2017

約数の個数: 192

約数和(自身を含む): 2210701248

約数和(自身を除く): 1571419488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 53, 60, 65, 78, 80, 96, 104, 106, 120, 130, 156, 159, 160, 195, 208, 212, 240, 260, 265, 312, 318, 390, 416, 424, 480, 520, 530, 624, 636, 689, 780, 795, 848, 1040, 1060, 1248, 1272, 1378, 1560, 1590, 1696, 1933, 2067, 2080, 2120, 2544, 2756, 3120, 3180, 3445, 3866, 4134, 4240, 5088, 5512, 5799, 6240, 6360, 6890, 7732, 8268, 8480, 9665, 10335, 11024, 11598, 12720, 13780, 15464, 16536, 19330, 20670, 22048, 23196, 25129, 25440, 27560, 28995, 30928, 33072, 38660, 41340, 46392, 50258, 55120, 57990, 61856, 66144, 75387, 77320, 82680, 92784, 100516, 102449, 110240, 115980, 125645, 150774, 154640, 165360, 185568, 201032, 204898, 231960, 251290, 301548, 307347, 309280, 330720, 376935, 402064, 409796, 463920, 502580, 512245, 603096, 614694, 753870, 804128, 819592, 927840, 1005160, 1024490, 1206192, 1229388, 1331837, 1507740, 1536735, 1639184, 2010320, 2048980, 2412384, 2458776, 2663674, 3015480, 3073470, 3278368, 3995511, 4020640, 4097960, 4917552, 5327348, 6030960, 6146940, 6659185, 7991022, 8195920, 9835104, 10654696, 12061920, 12293880, 13318370, 15982044, 16391840, 19977555, 21309392, 24587760, 26636740, 31964088, 39955110, 42618784, 49175520, 53273480, 63928176, 79910220, 106546960, 127856352, 159820440, 213093920, 319640880, 639281760]

約数ペア:

[(1, 639281760), (2, 319640880), (3, 213093920), (4, 159820440), (5, 127856352), (6, 106546960), (8, 79910220), (10, 63928176), (12, 53273480), (13, 49175520), (15, 42618784), (16, 39955110), (20, 31964088), (24, 26636740), (26, 24587760), (30, 21309392), (32, 19977555), (39, 16391840), (40, 15982044), (48, 13318370), (52, 12293880), (53, 12061920), (60, 10654696), (65, 9835104), (78, 8195920), (80, 7991022), (96, 6659185), (104, 6146940), (106, 6030960), (120, 5327348), (130, 4917552), (156, 4097960), (159, 4020640), (160, 3995511), (195, 3278368), (208, 3073470), (212, 3015480), (240, 2663674), (260, 2458776), (265, 2412384), (312, 2048980), (318, 2010320), (390, 1639184), (416, 1536735), (424, 1507740), (480, 1331837), (520, 1229388), (530, 1206192), (624, 1024490), (636, 1005160), (689, 927840), (780, 819592), (795, 804128), (848, 753870), (1040, 614694), (1060, 603096), (1248, 512245), (1272, 502580), (1378, 463920), (1560, 409796), (1590, 402064), (1696, 376935), (1933, 330720), (2067, 309280), (2080, 307347), (2120, 301548), (2544, 251290), (2756, 231960), (3120, 204898), (3180, 201032), (3445, 185568), (3866, 165360), (4134, 154640), (4240, 150774), (5088, 125645), (5512, 115980), (5799, 110240), (6240, 102449), (6360, 100516), (6890, 92784), (7732, 82680), (8268, 77320), (8480, 75387), (9665, 66144), (10335, 61856), (11024, 57990), (11598, 55120), (12720, 50258), (13780, 46392), (15464, 41340), (16536, 38660), (19330, 33072), (20670, 30928), (22048, 28995), (23196, 27560), (25129, 25440)]