81643656

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 221040000

約数和(自身を除く): 139396344

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 79, 102, 136, 149, 158, 204, 237, 289, 298, 316, 408, 447, 474, 578, 596, 632, 867, 894, 948, 1156, 1192, 1343, 1734, 1788, 1896, 2312, 2533, 2686, 3468, 3576, 4029, 5066, 5372, 6936, 7599, 8058, 10132, 10744, 11771, 15198, 16116, 20264, 22831, 23542, 30396, 32232, 35313, 43061, 45662, 47084, 60792, 68493, 70626, 86122, 91324, 94168, 129183, 136986, 141252, 172244, 182648, 200107, 258366, 273972, 282504, 344488, 400214, 516732, 547944, 600321, 800428, 1033464, 1200642, 1600856, 2401284, 3401819, 4802568, 6803638, 10205457, 13607276, 20410914, 27214552, 40821828, 81643656]

約数ペア:

[(1, 81643656), (2, 40821828), (3, 27214552), (4, 20410914), (6, 13607276), (8, 10205457), (12, 6803638), (17, 4802568), (24, 3401819), (34, 2401284), (51, 1600856), (68, 1200642), (79, 1033464), (102, 800428), (136, 600321), (149, 547944), (158, 516732), (204, 400214), (237, 344488), (289, 282504), (298, 273972), (316, 258366), (408, 200107), (447, 182648), (474, 172244), (578, 141252), (596, 136986), (632, 129183), (867, 94168), (894, 91324), (948, 86122), (1156, 70626), (1192, 68493), (1343, 60792), (1734, 47084), (1788, 45662), (1896, 43061), (2312, 35313), (2533, 32232), (2686, 30396), (3468, 23542), (3576, 22831), (4029, 20264), (5066, 16116), (5372, 15198), (6936, 11771), (7599, 10744), (8058, 10132)]