51299280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71249}}^1$

素因数の和:71268

約数の個数: 60

約数和(自身を含む): 172282500

約数和(自身を除く): 120983220

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, 144, 180, 240, 360, 720, 71249, 142498, 213747, 284996, 356245, 427494, 569992, 641241, 712490, 854988, 1068735, 1139984, 1282482, 1424980, 1709976, 2137470, 2564964, 2849960, 3206205, 3419952, 4274940, 5129928, 5699920, 6412410, 8549880, 10259856, 12824820, 17099760, 25649640, 51299280]

約数ペア:

[(1, 51299280), (2, 25649640), (3, 17099760), (4, 12824820), (5, 10259856), (6, 8549880), (8, 6412410), (9, 5699920), (10, 5129928), (12, 4274940), (15, 3419952), (16, 3206205), (18, 2849960), (20, 2564964), (24, 2137470), (30, 1709976), (36, 1424980), (40, 1282482), (45, 1139984), (48, 1068735), (60, 854988), (72, 712490), (80, 641241), (90, 569992), (120, 427494), (144, 356245), (180, 284996), (240, 213747), (360, 142498), (720, 71249)]