127879120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84131}}^1$

素因数の和:84163

約数の個数: 40

約数和(自身を含む): 312971040

約数和(自身を除く): 185091920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 84131, 168262, 336524, 420655, 673048, 841310, 1346096, 1598489, 1682620, 3196978, 3365240, 6393956, 6730480, 7992445, 12787912, 15984890, 25575824, 31969780, 63939560, 127879120]

約数ペア:

[(1, 127879120), (2, 63939560), (4, 31969780), (5, 25575824), (8, 15984890), (10, 12787912), (16, 7992445), (19, 6730480), (20, 6393956), (38, 3365240), (40, 3196978), (76, 1682620), (80, 1598489), (95, 1346096), (152, 841310), (190, 673048), (304, 420655), (380, 336524), (760, 168262), (1520, 84131)]