161371440

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{2767}}^1$

素因数の和:2798

約数の個数: 140

約数和(自身を含む): 562728864

約数和(自身を除く): 401357424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2430, 2767, 2916, 3240, 3645, 3888, 4860, 5534, 5832, 6480, 7290, 8301, 9720, 11068, 11664, 13835, 14580, 16602, 19440, 22136, 24903, 27670, 29160, 33204, 41505, 44272, 49806, 55340, 58320, 66408, 74709, 83010, 99612, 110680, 124515, 132816, 149418, 166020, 199224, 221360, 224127, 249030, 298836, 332040, 373545, 398448, 448254, 498060, 597672, 664080, 672381, 747090, 896508, 996120, 1120635, 1195344, 1344762, 1494180, 1793016, 1992240, 2017143, 2241270, 2689524, 2988360, 3361905, 3586032, 4034286, 4482540, 5379048, 5976720, 6723810, 8068572, 8965080, 10085715, 10758096, 13447620, 16137144, 17930160, 20171430, 26895240, 32274288, 40342860, 53790480, 80685720, 161371440]

約数ペア:

[(1, 161371440), (2, 80685720), (3, 53790480), (4, 40342860), (5, 32274288), (6, 26895240), (8, 20171430), (9, 17930160), (10, 16137144), (12, 13447620), (15, 10758096), (16, 10085715), (18, 8965080), (20, 8068572), (24, 6723810), (27, 5976720), (30, 5379048), (36, 4482540), (40, 4034286), (45, 3586032), (48, 3361905), (54, 2988360), (60, 2689524), (72, 2241270), (80, 2017143), (81, 1992240), (90, 1793016), (108, 1494180), (120, 1344762), (135, 1195344), (144, 1120635), (162, 996120), (180, 896508), (216, 747090), (240, 672381), (243, 664080), (270, 597672), (324, 498060), (360, 448254), (405, 398448), (432, 373545), (486, 332040), (540, 298836), (648, 249030), (720, 224127), (729, 221360), (810, 199224), (972, 166020), (1080, 149418), (1215, 132816), (1296, 124515), (1458, 110680), (1620, 99612), (1944, 83010), (2160, 74709), (2430, 66408), (2767, 58320), (2916, 55340), (3240, 49806), (3645, 44272), (3888, 41505), (4860, 33204), (5534, 29160), (5832, 27670), (6480, 24903), (7290, 22136), (8301, 19440), (9720, 16602), (11068, 14580), (11664, 13835)]