28391640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1201}}^1$

素因数の和:1412

約数の個数: 64

約数和(自身を含む): 85678560

約数和(自身を除く): 57286920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1201, 1576, 1970, 2364, 2402, 2955, 3603, 3940, 4728, 4804, 5910, 6005, 7206, 7880, 9608, 11820, 12010, 14412, 18015, 23640, 24020, 28824, 36030, 48040, 72060, 144120, 236597, 473194, 709791, 946388, 1182985, 1419582, 1892776, 2365970, 2839164, 3548955, 4731940, 5678328, 7097910, 9463880, 14195820, 28391640]

約数ペア:

[(1, 28391640), (2, 14195820), (3, 9463880), (4, 7097910), (5, 5678328), (6, 4731940), (8, 3548955), (10, 2839164), (12, 2365970), (15, 1892776), (20, 1419582), (24, 1182985), (30, 946388), (40, 709791), (60, 473194), (120, 236597), (197, 144120), (394, 72060), (591, 48040), (788, 36030), (985, 28824), (1182, 24020), (1201, 23640), (1576, 18015), (1970, 14412), (2364, 12010), (2402, 11820), (2955, 9608), (3603, 7880), (3940, 7206), (4728, 6005), (4804, 5910)]