68747970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 170501760

約数和(自身を除く): 101753790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 137, 215, 258, 274, 389, 411, 430, 645, 685, 778, 822, 1167, 1290, 1370, 1945, 2055, 2334, 3890, 4110, 5835, 5891, 11670, 11782, 16727, 17673, 29455, 33454, 35346, 50181, 53293, 58910, 83635, 88365, 100362, 106586, 159879, 167270, 176730, 250905, 266465, 319758, 501810, 532930, 799395, 1598790, 2291599, 4583198, 6874797, 11457995, 13749594, 22915990, 34373985, 68747970]

約数ペア:

[(1, 68747970), (2, 34373985), (3, 22915990), (5, 13749594), (6, 11457995), (10, 6874797), (15, 4583198), (30, 2291599), (43, 1598790), (86, 799395), (129, 532930), (137, 501810), (215, 319758), (258, 266465), (274, 250905), (389, 176730), (411, 167270), (430, 159879), (645, 106586), (685, 100362), (778, 88365), (822, 83635), (1167, 58910), (1290, 53293), (1370, 50181), (1945, 35346), (2055, 33454), (2334, 29455), (3890, 17673), (4110, 16727), (5835, 11782), (5891, 11670)]