8721432

素因数分解:

$2^3\times 3^4\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 25076040

約数和(自身を除く): 16354608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 81, 86, 108, 129, 162, 172, 216, 258, 313, 324, 344, 387, 516, 626, 648, 774, 939, 1032, 1161, 1252, 1548, 1878, 2322, 2504, 2817, 3096, 3483, 3756, 4644, 5634, 6966, 7512, 8451, 9288, 11268, 13459, 13932, 16902, 22536, 25353, 26918, 27864, 33804, 40377, 50706, 53836, 67608, 80754, 101412, 107672, 121131, 161508, 202824, 242262, 323016, 363393, 484524, 726786, 969048, 1090179, 1453572, 2180358, 2907144, 4360716, 8721432]

約数ペア:

[(1, 8721432), (2, 4360716), (3, 2907144), (4, 2180358), (6, 1453572), (8, 1090179), (9, 969048), (12, 726786), (18, 484524), (24, 363393), (27, 323016), (36, 242262), (43, 202824), (54, 161508), (72, 121131), (81, 107672), (86, 101412), (108, 80754), (129, 67608), (162, 53836), (172, 50706), (216, 40377), (258, 33804), (313, 27864), (324, 26918), (344, 25353), (387, 22536), (516, 16902), (626, 13932), (648, 13459), (774, 11268), (939, 9288), (1032, 8451), (1161, 7512), (1252, 6966), (1548, 5634), (1878, 4644), (2322, 3756), (2504, 3483), (2817, 3096)]