521017920

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{20101}}^1$

素因数の和:20130

約数の個数: 140

約数和(自身を含む): 1853444604

約数和(自身を除く): 1332426684

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 20101, 25920, 40202, 60303, 80404, 100505, 120606, 160808, 180909, 201010, 241212, 301515, 321616, 361818, 402020, 482424, 542727, 603030, 643232, 723636, 804040, 904545, 964848, 1085454, 1206060, 1286464, 1447272, 1608080, 1628181, 1809090, 1929696, 2170908, 2412120, 2713635, 2894544, 3216160, 3256362, 3618180, 3859392, 4341816, 4824240, 5427270, 5789088, 6432320, 6512724, 7236360, 8140905, 8683632, 9648480, 10854540, 11578176, 13025448, 14472720, 16281810, 17367264, 19296960, 21709080, 26050896, 28945440, 32563620, 34734528, 43418160, 52101792, 57890880, 65127240, 86836320, 104203584, 130254480, 173672640, 260508960, 521017920]

約数ペア:

[(1, 521017920), (2, 260508960), (3, 173672640), (4, 130254480), (5, 104203584), (6, 86836320), (8, 65127240), (9, 57890880), (10, 52101792), (12, 43418160), (15, 34734528), (16, 32563620), (18, 28945440), (20, 26050896), (24, 21709080), (27, 19296960), (30, 17367264), (32, 16281810), (36, 14472720), (40, 13025448), (45, 11578176), (48, 10854540), (54, 9648480), (60, 8683632), (64, 8140905), (72, 7236360), (80, 6512724), (81, 6432320), (90, 5789088), (96, 5427270), (108, 4824240), (120, 4341816), (135, 3859392), (144, 3618180), (160, 3256362), (162, 3216160), (180, 2894544), (192, 2713635), (216, 2412120), (240, 2170908), (270, 1929696), (288, 1809090), (320, 1628181), (324, 1608080), (360, 1447272), (405, 1286464), (432, 1206060), (480, 1085454), (540, 964848), (576, 904545), (648, 804040), (720, 723636), (810, 643232), (864, 603030), (960, 542727), (1080, 482424), (1296, 402020), (1440, 361818), (1620, 321616), (1728, 301515), (2160, 241212), (2592, 201010), (2880, 180909), (3240, 160808), (4320, 120606), (5184, 100505), (6480, 80404), (8640, 60303), (12960, 40202), (20101, 25920)]