68197415

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 105144480

約数和(自身を除く): 36947065

約数列:

[1, 5, 11, 13, 23, 29, 55, 65, 115, 121, 143, 145, 169, 253, 299, 319, 377, 605, 667, 715, 845, 1265, 1495, 1573, 1595, 1859, 1885, 2783, 3289, 3335, 3509, 3887, 4147, 4901, 7337, 7865, 8671, 9295, 13915, 16445, 17545, 19435, 20449, 20735, 24505, 36179, 36685, 42757, 43355, 45617, 53911, 80707, 95381, 102245, 112723, 180895, 213785, 228085, 269555, 403535, 470327, 476905, 563615, 593021, 1049191, 1239953, 2351635, 2965105, 5245955, 6199765, 13639483, 68197415]

約数ペア:

[(1, 68197415), (5, 13639483), (11, 6199765), (13, 5245955), (23, 2965105), (29, 2351635), (55, 1239953), (65, 1049191), (115, 593021), (121, 563615), (143, 476905), (145, 470327), (169, 403535), (253, 269555), (299, 228085), (319, 213785), (377, 180895), (605, 112723), (667, 102245), (715, 95381), (845, 80707), (1265, 53911), (1495, 45617), (1573, 43355), (1595, 42757), (1859, 36685), (1885, 36179), (2783, 24505), (3289, 20735), (3335, 20449), (3509, 19435), (3887, 17545), (4147, 16445), (4901, 13915), (7337, 9295), (7865, 8671)]