81769240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41719}}^1$

素因数の和:41744

約数の個数: 48

約数和(自身を含む): 214023600

約数和(自身を除く): 132254360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 41719, 83438, 166876, 208595, 292033, 333752, 417190, 584066, 834380, 1168132, 1460165, 1668760, 2044231, 2336264, 2920330, 4088462, 5840660, 8176924, 10221155, 11681320, 16353848, 20442310, 40884620, 81769240]

約数ペア:

[(1, 81769240), (2, 40884620), (4, 20442310), (5, 16353848), (7, 11681320), (8, 10221155), (10, 8176924), (14, 5840660), (20, 4088462), (28, 2920330), (35, 2336264), (40, 2044231), (49, 1668760), (56, 1460165), (70, 1168132), (98, 834380), (140, 584066), (196, 417190), (245, 333752), (280, 292033), (392, 208595), (490, 166876), (980, 83438), (1960, 41719)]