1205278960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{479}}^1$

素因数の和:1006

約数の個数: 80

約数和(自身を含む): 2854103040

約数和(自身を除く): 1648824080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 443, 479, 568, 710, 886, 958, 1136, 1420, 1772, 1916, 2215, 2395, 2840, 3544, 3832, 4430, 4790, 5680, 7088, 7664, 8860, 9580, 17720, 19160, 31453, 34009, 35440, 38320, 62906, 68018, 125812, 136036, 157265, 170045, 212197, 251624, 272072, 314530, 340090, 424394, 503248, 544144, 629060, 680180, 848788, 1060985, 1258120, 1360360, 1697576, 2121970, 2516240, 2720720, 3395152, 4243940, 8487880, 15065987, 16975760, 30131974, 60263948, 75329935, 120527896, 150659870, 241055792, 301319740, 602639480, 1205278960]

約数ペア:

[(1, 1205278960), (2, 602639480), (4, 301319740), (5, 241055792), (8, 150659870), (10, 120527896), (16, 75329935), (20, 60263948), (40, 30131974), (71, 16975760), (80, 15065987), (142, 8487880), (284, 4243940), (355, 3395152), (443, 2720720), (479, 2516240), (568, 2121970), (710, 1697576), (886, 1360360), (958, 1258120), (1136, 1060985), (1420, 848788), (1772, 680180), (1916, 629060), (2215, 544144), (2395, 503248), (2840, 424394), (3544, 340090), (3832, 314530), (4430, 272072), (4790, 251624), (5680, 212197), (7088, 170045), (7664, 157265), (8860, 136036), (9580, 125812), (17720, 68018), (19160, 62906), (31453, 38320), (34009, 35440)]