1645920

素因数分解:

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

素因数の和:154

約数の個数: 120

約数和(自身を含む): 5854464

約数和(自身を除く): 4208544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 127, 135, 144, 160, 162, 180, 216, 240, 254, 270, 288, 324, 360, 381, 405, 432, 480, 508, 540, 635, 648, 720, 762, 810, 864, 1016, 1080, 1143, 1270, 1296, 1440, 1524, 1620, 1905, 2032, 2160, 2286, 2540, 2592, 3048, 3240, 3429, 3810, 4064, 4320, 4572, 5080, 5715, 6096, 6480, 6858, 7620, 9144, 10160, 10287, 11430, 12192, 12960, 13716, 15240, 17145, 18288, 20320, 20574, 22860, 27432, 30480, 34290, 36576, 41148, 45720, 51435, 54864, 60960, 68580, 82296, 91440, 102870, 109728, 137160, 164592, 182880, 205740, 274320, 329184, 411480, 548640, 822960, 1645920]

約数ペア:

[(1, 1645920), (2, 822960), (3, 548640), (4, 411480), (5, 329184), (6, 274320), (8, 205740), (9, 182880), (10, 164592), (12, 137160), (15, 109728), (16, 102870), (18, 91440), (20, 82296), (24, 68580), (27, 60960), (30, 54864), (32, 51435), (36, 45720), (40, 41148), (45, 36576), (48, 34290), (54, 30480), (60, 27432), (72, 22860), (80, 20574), (81, 20320), (90, 18288), (96, 17145), (108, 15240), (120, 13716), (127, 12960), (135, 12192), (144, 11430), (160, 10287), (162, 10160), (180, 9144), (216, 7620), (240, 6858), (254, 6480), (270, 6096), (288, 5715), (324, 5080), (360, 4572), (381, 4320), (405, 4064), (432, 3810), (480, 3429), (508, 3240), (540, 3048), (635, 2592), (648, 2540), (720, 2286), (762, 2160), (810, 2032), (864, 1905), (1016, 1620), (1080, 1524), (1143, 1440), (1270, 1296)]