1381328640

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{4441}}^1$

素因数の和:4477

約数の個数: 216

約数和(自身を含む): 4957378608

約数和(自身を除く): 3576049968

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, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2592, 2880, 3240, 3456, 3840, 3888, 4320, 4441, 4860, 5184, 5760, 6480, 6912, 7776, 8640, 8882, 9720, 10368, 11520, 12960, 13323, 15552, 17280, 17764, 19440, 20736, 22205, 25920, 26646, 31104, 34560, 35528, 38880, 39969, 44410, 51840, 53292, 62208, 66615, 71056, 77760, 79938, 88820, 103680, 106584, 119907, 133230, 142112, 155520, 159876, 177640, 199845, 213168, 239814, 266460, 284224, 311040, 319752, 355280, 359721, 399690, 426336, 479628, 532920, 568448, 599535, 639504, 710560, 719442, 799380, 852672, 959256, 1065840, 1079163, 1136896, 1199070, 1279008, 1421120, 1438884, 1598760, 1705344, 1798605, 1918512, 2131680, 2158326, 2398140, 2558016, 2842240, 2877768, 3197520, 3410688, 3597210, 3837024, 4263360, 4316652, 4796280, 5116032, 5395815, 5684480, 5755536, 6395040, 7194420, 7674048, 8526720, 8633304, 9592560, 10232064, 10791630, 11511072, 12790080, 14388840, 15348096, 17053440, 17266608, 19185120, 21583260, 23022144, 25580160, 28777680, 30696192, 34533216, 38370240, 43166520, 46044288, 51160320, 57555360, 69066432, 76740480, 86333040, 92088576, 115110720, 138132864, 153480960, 172666080, 230221440, 276265728, 345332160, 460442880, 690664320, 1381328640]

約数ペア:

[(1, 1381328640), (2, 690664320), (3, 460442880), (4, 345332160), (5, 276265728), (6, 230221440), (8, 172666080), (9, 153480960), (10, 138132864), (12, 115110720), (15, 92088576), (16, 86333040), (18, 76740480), (20, 69066432), (24, 57555360), (27, 51160320), (30, 46044288), (32, 43166520), (36, 38370240), (40, 34533216), (45, 30696192), (48, 28777680), (54, 25580160), (60, 23022144), (64, 21583260), (72, 19185120), (80, 17266608), (81, 17053440), (90, 15348096), (96, 14388840), (108, 12790080), (120, 11511072), (128, 10791630), (135, 10232064), (144, 9592560), (160, 8633304), (162, 8526720), (180, 7674048), (192, 7194420), (216, 6395040), (240, 5755536), (243, 5684480), (256, 5395815), (270, 5116032), (288, 4796280), (320, 4316652), (324, 4263360), (360, 3837024), (384, 3597210), (405, 3410688), (432, 3197520), (480, 2877768), (486, 2842240), (540, 2558016), (576, 2398140), (640, 2158326), (648, 2131680), (720, 1918512), (768, 1798605), (810, 1705344), (864, 1598760), (960, 1438884), (972, 1421120), (1080, 1279008), (1152, 1199070), (1215, 1136896), (1280, 1079163), (1296, 1065840), (1440, 959256), (1620, 852672), (1728, 799380), (1920, 719442), (1944, 710560), (2160, 639504), (2304, 599535), (2430, 568448), (2592, 532920), (2880, 479628), (3240, 426336), (3456, 399690), (3840, 359721), (3888, 355280), (4320, 319752), (4441, 311040), (4860, 284224), (5184, 266460), (5760, 239814), (6480, 213168), (6912, 199845), (7776, 177640), (8640, 159876), (8882, 155520), (9720, 142112), (10368, 133230), (11520, 119907), (12960, 106584), (13323, 103680), (15552, 88820), (17280, 79938), (17764, 77760), (19440, 71056), (20736, 66615), (22205, 62208), (25920, 53292), (26646, 51840), (31104, 44410), (34560, 39969), (35528, 38880)]