85205520

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{487}}^1$

素因数の和:521

約数の個数: 160

約数和(自身を含む): 297719040

約数和(自身を除く): 212513520

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, 487, 540, 648, 720, 729, 810, 972, 974, 1080, 1215, 1296, 1458, 1461, 1620, 1944, 1948, 2160, 2187, 2430, 2435, 2916, 2922, 3240, 3645, 3888, 3896, 4374, 4383, 4860, 4870, 5832, 5844, 6480, 7290, 7305, 7792, 8748, 8766, 9720, 9740, 10935, 11664, 11688, 13149, 14580, 14610, 17496, 17532, 19440, 19480, 21870, 21915, 23376, 26298, 29160, 29220, 34992, 35064, 38960, 39447, 43740, 43830, 52596, 58320, 58440, 65745, 70128, 78894, 87480, 87660, 105192, 116880, 118341, 131490, 157788, 174960, 175320, 197235, 210384, 236682, 262980, 315576, 350640, 355023, 394470, 473364, 525960, 591705, 631152, 710046, 788940, 946728, 1051920, 1065069, 1183410, 1420092, 1577880, 1775115, 1893456, 2130138, 2366820, 2840184, 3155760, 3550230, 4260276, 4733640, 5325345, 5680368, 7100460, 8520552, 9467280, 10650690, 14200920, 17041104, 21301380, 28401840, 42602760, 85205520]

約数ペア:

[(1, 85205520), (2, 42602760), (3, 28401840), (4, 21301380), (5, 17041104), (6, 14200920), (8, 10650690), (9, 9467280), (10, 8520552), (12, 7100460), (15, 5680368), (16, 5325345), (18, 4733640), (20, 4260276), (24, 3550230), (27, 3155760), (30, 2840184), (36, 2366820), (40, 2130138), (45, 1893456), (48, 1775115), (54, 1577880), (60, 1420092), (72, 1183410), (80, 1065069), (81, 1051920), (90, 946728), (108, 788940), (120, 710046), (135, 631152), (144, 591705), (162, 525960), (180, 473364), (216, 394470), (240, 355023), (243, 350640), (270, 315576), (324, 262980), (360, 236682), (405, 210384), (432, 197235), (486, 175320), (487, 174960), (540, 157788), (648, 131490), (720, 118341), (729, 116880), (810, 105192), (972, 87660), (974, 87480), (1080, 78894), (1215, 70128), (1296, 65745), (1458, 58440), (1461, 58320), (1620, 52596), (1944, 43830), (1948, 43740), (2160, 39447), (2187, 38960), (2430, 35064), (2435, 34992), (2916, 29220), (2922, 29160), (3240, 26298), (3645, 23376), (3888, 21915), (3896, 21870), (4374, 19480), (4383, 19440), (4860, 17532), (4870, 17496), (5832, 14610), (5844, 14580), (6480, 13149), (7290, 11688), (7305, 11664), (7792, 10935), (8748, 9740), (8766, 9720)]