861510240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1249}}^1$

素因数の和:1749

約数の個数: 144

約数和(自身を含む): 2948400000

約数和(自身を除く): 2086889760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 479, 480, 720, 958, 1249, 1437, 1440, 1916, 2395, 2498, 2874, 3747, 3832, 4311, 4790, 4996, 5748, 6245, 7185, 7494, 7664, 8622, 9580, 9992, 11241, 11496, 12490, 14370, 14988, 15328, 17244, 18735, 19160, 19984, 21555, 22482, 22992, 24980, 28740, 29976, 34488, 37470, 38320, 39968, 43110, 44964, 45984, 49960, 56205, 57480, 59952, 68976, 74940, 76640, 86220, 89928, 99920, 112410, 114960, 119904, 137952, 149880, 172440, 179856, 199840, 224820, 229920, 299760, 344880, 359712, 449640, 598271, 599520, 689760, 899280, 1196542, 1794813, 1798560, 2393084, 2991355, 3589626, 4786168, 5384439, 5982710, 7179252, 8974065, 9572336, 10768878, 11965420, 14358504, 17948130, 19144672, 21537756, 23930840, 26922195, 28717008, 35896260, 43075512, 47861680, 53844390, 57434016, 71792520, 86151024, 95723360, 107688780, 143585040, 172302048, 215377560, 287170080, 430755120, 861510240]

約数ペア:

[(1, 861510240), (2, 430755120), (3, 287170080), (4, 215377560), (5, 172302048), (6, 143585040), (8, 107688780), (9, 95723360), (10, 86151024), (12, 71792520), (15, 57434016), (16, 53844390), (18, 47861680), (20, 43075512), (24, 35896260), (30, 28717008), (32, 26922195), (36, 23930840), (40, 21537756), (45, 19144672), (48, 17948130), (60, 14358504), (72, 11965420), (80, 10768878), (90, 9572336), (96, 8974065), (120, 7179252), (144, 5982710), (160, 5384439), (180, 4786168), (240, 3589626), (288, 2991355), (360, 2393084), (479, 1798560), (480, 1794813), (720, 1196542), (958, 899280), (1249, 689760), (1437, 599520), (1440, 598271), (1916, 449640), (2395, 359712), (2498, 344880), (2874, 299760), (3747, 229920), (3832, 224820), (4311, 199840), (4790, 179856), (4996, 172440), (5748, 149880), (6245, 137952), (7185, 119904), (7494, 114960), (7664, 112410), (8622, 99920), (9580, 89928), (9992, 86220), (11241, 76640), (11496, 74940), (12490, 68976), (14370, 59952), (14988, 57480), (15328, 56205), (17244, 49960), (18735, 45984), (19160, 44964), (19984, 43110), (21555, 39968), (22482, 38320), (22992, 37470), (24980, 34488), (28740, 29976)]