68165420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 147456288

約数和(自身を除く): 79290868

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 107, 212, 214, 265, 428, 530, 535, 601, 1060, 1070, 1202, 2140, 2404, 3005, 5671, 6010, 11342, 12020, 22684, 28355, 31853, 56710, 63706, 64307, 113420, 127412, 128614, 159265, 257228, 318530, 321535, 637060, 643070, 1286140, 3408271, 6816542, 13633084, 17041355, 34082710, 68165420]

約数ペア:

[(1, 68165420), (2, 34082710), (4, 17041355), (5, 13633084), (10, 6816542), (20, 3408271), (53, 1286140), (106, 643070), (107, 637060), (212, 321535), (214, 318530), (265, 257228), (428, 159265), (530, 128614), (535, 127412), (601, 113420), (1060, 64307), (1070, 63706), (1202, 56710), (2140, 31853), (2404, 28355), (3005, 22684), (5671, 12020), (6010, 11342)]