20182728240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{220721}}^1$

素因数の和:220867

約数の個数: 120

約数和(自身を含む): 68314341888

約数和(自身を除く): 48131613648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 127, 144, 180, 240, 254, 360, 381, 508, 635, 720, 762, 1016, 1143, 1270, 1524, 1905, 2032, 2286, 2540, 3048, 3810, 4572, 5080, 5715, 6096, 7620, 9144, 10160, 11430, 15240, 18288, 22860, 30480, 45720, 91440, 220721, 441442, 662163, 882884, 1103605, 1324326, 1765768, 1986489, 2207210, 2648652, 3310815, 3531536, 3972978, 4414420, 5297304, 6621630, 7945956, 8828840, 9932445, 10594608, 13243260, 15891912, 17657680, 19864890, 26486520, 28031567, 31783824, 39729780, 52973040, 56063134, 79459560, 84094701, 112126268, 140157835, 158919120, 168189402, 224252536, 252284103, 280315670, 336378804, 420473505, 448505072, 504568206, 560631340, 672757608, 840947010, 1009136412, 1121262680, 1261420515, 1345515216, 1681894020, 2018272824, 2242525360, 2522841030, 3363788040, 4036545648, 5045682060, 6727576080, 10091364120, 20182728240]

約数ペア:

[(1, 20182728240), (2, 10091364120), (3, 6727576080), (4, 5045682060), (5, 4036545648), (6, 3363788040), (8, 2522841030), (9, 2242525360), (10, 2018272824), (12, 1681894020), (15, 1345515216), (16, 1261420515), (18, 1121262680), (20, 1009136412), (24, 840947010), (30, 672757608), (36, 560631340), (40, 504568206), (45, 448505072), (48, 420473505), (60, 336378804), (72, 280315670), (80, 252284103), (90, 224252536), (120, 168189402), (127, 158919120), (144, 140157835), (180, 112126268), (240, 84094701), (254, 79459560), (360, 56063134), (381, 52973040), (508, 39729780), (635, 31783824), (720, 28031567), (762, 26486520), (1016, 19864890), (1143, 17657680), (1270, 15891912), (1524, 13243260), (1905, 10594608), (2032, 9932445), (2286, 8828840), (2540, 7945956), (3048, 6621630), (3810, 5297304), (4572, 4414420), (5080, 3972978), (5715, 3531536), (6096, 3310815), (7620, 2648652), (9144, 2207210), (10160, 1986489), (11430, 1765768), (15240, 1324326), (18288, 1103605), (22860, 882884), (30480, 662163), (45720, 441442), (91440, 220721)]