181015640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2741}}^1$

素因数の和:2892

約数の個数: 64

約数和(自身を含む): 442229760

約数和(自身を除く): 261214120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 1016, 1270, 1651, 2540, 2741, 3302, 5080, 5482, 6604, 8255, 10964, 13208, 13705, 16510, 21928, 27410, 33020, 35633, 54820, 66040, 71266, 109640, 142532, 178165, 285064, 348107, 356330, 696214, 712660, 1392428, 1425320, 1740535, 2784856, 3481070, 4525391, 6962140, 9050782, 13924280, 18101564, 22626955, 36203128, 45253910, 90507820, 181015640]

約数ペア:

[(1, 181015640), (2, 90507820), (4, 45253910), (5, 36203128), (8, 22626955), (10, 18101564), (13, 13924280), (20, 9050782), (26, 6962140), (40, 4525391), (52, 3481070), (65, 2784856), (104, 1740535), (127, 1425320), (130, 1392428), (254, 712660), (260, 696214), (508, 356330), (520, 348107), (635, 285064), (1016, 178165), (1270, 142532), (1651, 109640), (2540, 71266), (2741, 66040), (3302, 54820), (5080, 35633), (5482, 33020), (6604, 27410), (8255, 21928), (10964, 16510), (13208, 13705)]