1288380

素因数分解:

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

素因数の和:318

約数の個数: 48

約数和(自身を含む): 3659040

約数和(自身を除く): 2370660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 197, 218, 327, 394, 436, 545, 591, 654, 788, 985, 1090, 1182, 1308, 1635, 1970, 2180, 2364, 2955, 3270, 3940, 5910, 6540, 11820, 21473, 42946, 64419, 85892, 107365, 128838, 214730, 257676, 322095, 429460, 644190, 1288380]

約数ペア:

[(1, 1288380), (2, 644190), (3, 429460), (4, 322095), (5, 257676), (6, 214730), (10, 128838), (12, 107365), (15, 85892), (20, 64419), (30, 42946), (60, 21473), (109, 11820), (197, 6540), (218, 5910), (327, 3940), (394, 3270), (436, 2955), (545, 2364), (591, 2180), (654, 1970), (788, 1635), (985, 1308), (1090, 1182)]