78247360

素因数分解:

$2^6\times 5^1\times {\mathrm{439}}^1\times {\mathrm{557}}^1$

素因数の和:1013

約数の個数: 56

約数和(自身を含む): 187086240

約数和(自身を除く): 108838880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439, 557, 878, 1114, 1756, 2195, 2228, 2785, 3512, 4390, 4456, 5570, 7024, 8780, 8912, 11140, 14048, 17560, 17824, 22280, 28096, 35120, 35648, 44560, 70240, 89120, 140480, 178240, 244523, 489046, 978092, 1222615, 1956184, 2445230, 3912368, 4890460, 7824736, 9780920, 15649472, 19561840, 39123680, 78247360]

約数ペア:

[(1, 78247360), (2, 39123680), (4, 19561840), (5, 15649472), (8, 9780920), (10, 7824736), (16, 4890460), (20, 3912368), (32, 2445230), (40, 1956184), (64, 1222615), (80, 978092), (160, 489046), (320, 244523), (439, 178240), (557, 140480), (878, 89120), (1114, 70240), (1756, 44560), (2195, 35648), (2228, 35120), (2785, 28096), (3512, 22280), (4390, 17824), (4456, 17560), (5570, 14048), (7024, 11140), (8780, 8912)]