81231168

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:680

約数の個数: 112

約数和(自身を含む): 233501184

約数和(自身を除く): 152270016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 41, 48, 51, 64, 68, 82, 96, 102, 123, 136, 164, 192, 204, 246, 272, 328, 408, 492, 544, 607, 656, 697, 816, 984, 1088, 1214, 1312, 1394, 1632, 1821, 1968, 2091, 2428, 2624, 2788, 3264, 3642, 3936, 4182, 4856, 5576, 7284, 7872, 8364, 9712, 10319, 11152, 14568, 16728, 19424, 20638, 22304, 24887, 29136, 30957, 33456, 38848, 41276, 44608, 49774, 58272, 61914, 66912, 74661, 82552, 99548, 116544, 123828, 133824, 149322, 165104, 199096, 247656, 298644, 330208, 398192, 423079, 495312, 597288, 660416, 796384, 846158, 990624, 1194576, 1269237, 1592768, 1692316, 1981248, 2389152, 2538474, 3384632, 4778304, 5076948, 6769264, 10153896, 13538528, 20307792, 27077056, 40615584, 81231168]

約数ペア:

[(1, 81231168), (2, 40615584), (3, 27077056), (4, 20307792), (6, 13538528), (8, 10153896), (12, 6769264), (16, 5076948), (17, 4778304), (24, 3384632), (32, 2538474), (34, 2389152), (41, 1981248), (48, 1692316), (51, 1592768), (64, 1269237), (68, 1194576), (82, 990624), (96, 846158), (102, 796384), (123, 660416), (136, 597288), (164, 495312), (192, 423079), (204, 398192), (246, 330208), (272, 298644), (328, 247656), (408, 199096), (492, 165104), (544, 149322), (607, 133824), (656, 123828), (697, 116544), (816, 99548), (984, 82552), (1088, 74661), (1214, 66912), (1312, 61914), (1394, 58272), (1632, 49774), (1821, 44608), (1968, 41276), (2091, 38848), (2428, 33456), (2624, 30957), (2788, 29136), (3264, 24887), (3642, 22304), (3936, 20638), (4182, 19424), (4856, 16728), (5576, 14568), (7284, 11152), (7872, 10319), (8364, 9712)]