68071960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2179}}^1$

素因数の和:2272

約数の個数: 64

約数和(自身を含む): 169516800

約数和(自身を除く): 101444840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2179, 2840, 3124, 3905, 4358, 6248, 7810, 8716, 10895, 15620, 17432, 21790, 23969, 31240, 43580, 47938, 87160, 95876, 119845, 154709, 191752, 239690, 309418, 479380, 618836, 773545, 958760, 1237672, 1547090, 1701799, 3094180, 3403598, 6188360, 6807196, 8508995, 13614392, 17017990, 34035980, 68071960]

約数ペア:

[(1, 68071960), (2, 34035980), (4, 17017990), (5, 13614392), (8, 8508995), (10, 6807196), (11, 6188360), (20, 3403598), (22, 3094180), (40, 1701799), (44, 1547090), (55, 1237672), (71, 958760), (88, 773545), (110, 618836), (142, 479380), (220, 309418), (284, 239690), (355, 191752), (440, 154709), (568, 119845), (710, 95876), (781, 87160), (1420, 47938), (1562, 43580), (2179, 31240), (2840, 23969), (3124, 21790), (3905, 17432), (4358, 15620), (6248, 10895), (7810, 8716)]