80866728

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{5273}}^1$

素因数の和:5359

約数の個数: 64

約数和(自身を含む): 227836800

約数和(自身を除く): 146970072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1704, 1917, 2556, 3834, 5112, 5273, 7668, 10546, 15336, 15819, 21092, 31638, 42184, 47457, 63276, 94914, 126552, 142371, 189828, 284742, 374383, 379656, 569484, 748766, 1123149, 1138968, 1497532, 2246298, 2995064, 3369447, 4492596, 6738894, 8985192, 10108341, 13477788, 20216682, 26955576, 40433364, 80866728]

約数ペア:

[(1, 80866728), (2, 40433364), (3, 26955576), (4, 20216682), (6, 13477788), (8, 10108341), (9, 8985192), (12, 6738894), (18, 4492596), (24, 3369447), (27, 2995064), (36, 2246298), (54, 1497532), (71, 1138968), (72, 1123149), (108, 748766), (142, 569484), (213, 379656), (216, 374383), (284, 284742), (426, 189828), (568, 142371), (639, 126552), (852, 94914), (1278, 63276), (1704, 47457), (1917, 42184), (2556, 31638), (3834, 21092), (5112, 15819), (5273, 15336), (7668, 10546)]