42781480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{152791}}^1$

素因数の和:152809

約数の個数: 32

約数和(自身を含む): 110010240

約数和(自身を除く): 67228760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 152791, 305582, 611164, 763955, 1069537, 1222328, 1527910, 2139074, 3055820, 4278148, 5347685, 6111640, 8556296, 10695370, 21390740, 42781480]

約数ペア:

[(1, 42781480), (2, 21390740), (4, 10695370), (5, 8556296), (7, 6111640), (8, 5347685), (10, 4278148), (14, 3055820), (20, 2139074), (28, 1527910), (35, 1222328), (40, 1069537), (56, 763955), (70, 611164), (140, 305582), (280, 152791)]