255616560

素因数分解:

$2^4\times 3^8\times 5^1\times {\mathrm{487}}^1$

素因数の和:524

約数の個数: 180

約数和(自身を含む): 893247888

約数和(自身を除く): 637631328

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, 6561, 7290, 7305, 7792, 8748, 8766, 9720, 9740, 10935, 11664, 11688, 13122, 13149, 14580, 14610, 17496, 17532, 19440, 19480, 21870, 21915, 23376, 26244, 26298, 29160, 29220, 32805, 34992, 35064, 38960, 39447, 43740, 43830, 52488, 52596, 58320, 58440, 65610, 65745, 70128, 78894, 87480, 87660, 104976, 105192, 116880, 118341, 131220, 131490, 157788, 174960, 175320, 197235, 210384, 236682, 262440, 262980, 315576, 350640, 355023, 394470, 473364, 524880, 525960, 591705, 631152, 710046, 788940, 946728, 1051920, 1065069, 1183410, 1420092, 1577880, 1775115, 1893456, 2130138, 2366820, 2840184, 3155760, 3195207, 3550230, 4260276, 4733640, 5325345, 5680368, 6390414, 7100460, 8520552, 9467280, 10650690, 12780828, 14200920, 15976035, 17041104, 21301380, 25561656, 28401840, 31952070, 42602760, 51123312, 63904140, 85205520, 127808280, 255616560]

約数ペア:

[(1, 255616560), (2, 127808280), (3, 85205520), (4, 63904140), (5, 51123312), (6, 42602760), (8, 31952070), (9, 28401840), (10, 25561656), (12, 21301380), (15, 17041104), (16, 15976035), (18, 14200920), (20, 12780828), (24, 10650690), (27, 9467280), (30, 8520552), (36, 7100460), (40, 6390414), (45, 5680368), (48, 5325345), (54, 4733640), (60, 4260276), (72, 3550230), (80, 3195207), (81, 3155760), (90, 2840184), (108, 2366820), (120, 2130138), (135, 1893456), (144, 1775115), (162, 1577880), (180, 1420092), (216, 1183410), (240, 1065069), (243, 1051920), (270, 946728), (324, 788940), (360, 710046), (405, 631152), (432, 591705), (486, 525960), (487, 524880), (540, 473364), (648, 394470), (720, 355023), (729, 350640), (810, 315576), (972, 262980), (974, 262440), (1080, 236682), (1215, 210384), (1296, 197235), (1458, 175320), (1461, 174960), (1620, 157788), (1944, 131490), (1948, 131220), (2160, 118341), (2187, 116880), (2430, 105192), (2435, 104976), (2916, 87660), (2922, 87480), (3240, 78894), (3645, 70128), (3888, 65745), (3896, 65610), (4374, 58440), (4383, 58320), (4860, 52596), (4870, 52488), (5832, 43830), (5844, 43740), (6480, 39447), (6561, 38960), (7290, 35064), (7305, 34992), (7792, 32805), (8748, 29220), (8766, 29160), (9720, 26298), (9740, 26244), (10935, 23376), (11664, 21915), (11688, 21870), (13122, 19480), (13149, 19440), (14580, 17532), (14610, 17496)]