1619340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 4590432

約数和(自身を除く): 2971092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 197, 274, 394, 411, 548, 591, 685, 788, 822, 985, 1182, 1370, 1644, 1970, 2055, 2364, 2740, 2955, 3940, 4110, 5910, 8220, 11820, 26989, 53978, 80967, 107956, 134945, 161934, 269890, 323868, 404835, 539780, 809670, 1619340]

約数ペア:

[(1, 1619340), (2, 809670), (3, 539780), (4, 404835), (5, 323868), (6, 269890), (10, 161934), (12, 134945), (15, 107956), (20, 80967), (30, 53978), (60, 26989), (137, 11820), (197, 8220), (274, 5910), (394, 4110), (411, 3940), (548, 2955), (591, 2740), (685, 2364), (788, 2055), (822, 1970), (985, 1644), (1182, 1370)]