19719120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82163}}^1$

素因数の和:82179

約数の個数: 40

約数和(自身を含む): 61130016

約数和(自身を除く): 41410896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82163, 164326, 246489, 328652, 410815, 492978, 657304, 821630, 985956, 1232445, 1314608, 1643260, 1971912, 2464890, 3286520, 3943824, 4929780, 6573040, 9859560, 19719120]

約数ペア:

[(1, 19719120), (2, 9859560), (3, 6573040), (4, 4929780), (5, 3943824), (6, 3286520), (8, 2464890), (10, 1971912), (12, 1643260), (15, 1314608), (16, 1232445), (20, 985956), (24, 821630), (30, 657304), (40, 492978), (48, 410815), (60, 328652), (80, 246489), (120, 164326), (240, 82163)]