20135280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 70709760

約数和(自身を除く): 50574480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 29, 30, 33, 40, 44, 48, 55, 58, 60, 66, 80, 87, 88, 110, 116, 120, 132, 145, 165, 174, 176, 220, 232, 240, 263, 264, 290, 319, 330, 348, 435, 440, 464, 526, 528, 580, 638, 660, 696, 789, 870, 880, 957, 1052, 1160, 1276, 1315, 1320, 1392, 1578, 1595, 1740, 1914, 2104, 2320, 2552, 2630, 2640, 2893, 3156, 3190, 3480, 3828, 3945, 4208, 4785, 5104, 5260, 5786, 6312, 6380, 6960, 7627, 7656, 7890, 8679, 9570, 10520, 11572, 12624, 12760, 14465, 15254, 15312, 15780, 17358, 19140, 21040, 22881, 23144, 25520, 28930, 30508, 31560, 34716, 38135, 38280, 43395, 45762, 46288, 57860, 61016, 63120, 69432, 76270, 76560, 83897, 86790, 91524, 114405, 115720, 122032, 138864, 152540, 167794, 173580, 183048, 228810, 231440, 251691, 305080, 335588, 347160, 366096, 419485, 457620, 503382, 610160, 671176, 694320, 838970, 915240, 1006764, 1258455, 1342352, 1677940, 1830480, 2013528, 2516910, 3355880, 4027056, 5033820, 6711760, 10067640, 20135280]

約数ペア:

[(1, 20135280), (2, 10067640), (3, 6711760), (4, 5033820), (5, 4027056), (6, 3355880), (8, 2516910), (10, 2013528), (11, 1830480), (12, 1677940), (15, 1342352), (16, 1258455), (20, 1006764), (22, 915240), (24, 838970), (29, 694320), (30, 671176), (33, 610160), (40, 503382), (44, 457620), (48, 419485), (55, 366096), (58, 347160), (60, 335588), (66, 305080), (80, 251691), (87, 231440), (88, 228810), (110, 183048), (116, 173580), (120, 167794), (132, 152540), (145, 138864), (165, 122032), (174, 115720), (176, 114405), (220, 91524), (232, 86790), (240, 83897), (263, 76560), (264, 76270), (290, 69432), (319, 63120), (330, 61016), (348, 57860), (435, 46288), (440, 45762), (464, 43395), (526, 38280), (528, 38135), (580, 34716), (638, 31560), (660, 30508), (696, 28930), (789, 25520), (870, 23144), (880, 22881), (957, 21040), (1052, 19140), (1160, 17358), (1276, 15780), (1315, 15312), (1320, 15254), (1392, 14465), (1578, 12760), (1595, 12624), (1740, 11572), (1914, 10520), (2104, 9570), (2320, 8679), (2552, 7890), (2630, 7656), (2640, 7627), (2893, 6960), (3156, 6380), (3190, 6312), (3480, 5786), (3828, 5260), (3945, 5104), (4208, 4785)]