2576760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 7840800

約数和(自身を除く): 5264040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 197, 218, 327, 394, 436, 545, 591, 654, 788, 872, 985, 1090, 1182, 1308, 1576, 1635, 1970, 2180, 2364, 2616, 2955, 3270, 3940, 4360, 4728, 5910, 6540, 7880, 11820, 13080, 21473, 23640, 42946, 64419, 85892, 107365, 128838, 171784, 214730, 257676, 322095, 429460, 515352, 644190, 858920, 1288380, 2576760]

約数ペア:

[(1, 2576760), (2, 1288380), (3, 858920), (4, 644190), (5, 515352), (6, 429460), (8, 322095), (10, 257676), (12, 214730), (15, 171784), (20, 128838), (24, 107365), (30, 85892), (40, 64419), (60, 42946), (109, 23640), (120, 21473), (197, 13080), (218, 11820), (327, 7880), (394, 6540), (436, 5910), (545, 4728), (591, 4360), (654, 3940), (788, 3270), (872, 2955), (985, 2616), (1090, 2364), (1182, 2180), (1308, 1970), (1576, 1635)]