320034920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 736542720

約数和(自身を除く): 416507800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 127, 146, 254, 292, 365, 508, 584, 635, 730, 863, 1016, 1270, 1460, 1726, 2540, 2920, 3452, 4315, 5080, 6904, 8630, 9271, 17260, 18542, 34520, 37084, 46355, 62999, 74168, 92710, 109601, 125998, 185420, 219202, 251996, 314995, 370840, 438404, 503992, 548005, 629990, 876808, 1096010, 1259980, 2192020, 2519960, 4384040, 8000873, 16001746, 32003492, 40004365, 64006984, 80008730, 160017460, 320034920]

約数ペア:

[(1, 320034920), (2, 160017460), (4, 80008730), (5, 64006984), (8, 40004365), (10, 32003492), (20, 16001746), (40, 8000873), (73, 4384040), (127, 2519960), (146, 2192020), (254, 1259980), (292, 1096010), (365, 876808), (508, 629990), (584, 548005), (635, 503992), (730, 438404), (863, 370840), (1016, 314995), (1270, 251996), (1460, 219202), (1726, 185420), (2540, 125998), (2920, 109601), (3452, 92710), (4315, 74168), (5080, 62999), (6904, 46355), (8630, 37084), (9271, 34520), (17260, 18542)]