81909456

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 232440480

約数和(自身を除く): 150531024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 29, 38, 48, 57, 58, 76, 87, 114, 116, 152, 163, 174, 228, 232, 304, 326, 348, 361, 456, 464, 489, 551, 652, 696, 722, 912, 978, 1083, 1102, 1304, 1392, 1444, 1653, 1956, 2166, 2204, 2608, 2888, 3097, 3306, 3912, 4332, 4408, 4727, 5776, 6194, 6612, 7824, 8664, 8816, 9291, 9454, 10469, 12388, 13224, 14181, 17328, 18582, 18908, 20938, 24776, 26448, 28362, 31407, 37164, 37816, 41876, 49552, 56724, 58843, 62814, 74328, 75632, 83752, 89813, 113448, 117686, 125628, 148656, 167504, 176529, 179626, 226896, 235372, 251256, 269439, 353058, 359252, 470744, 502512, 538878, 706116, 718504, 941488, 1077756, 1412232, 1437008, 1706447, 2155512, 2824464, 3412894, 4311024, 5119341, 6825788, 10238682, 13651576, 20477364, 27303152, 40954728, 81909456]

約数ペア:

[(1, 81909456), (2, 40954728), (3, 27303152), (4, 20477364), (6, 13651576), (8, 10238682), (12, 6825788), (16, 5119341), (19, 4311024), (24, 3412894), (29, 2824464), (38, 2155512), (48, 1706447), (57, 1437008), (58, 1412232), (76, 1077756), (87, 941488), (114, 718504), (116, 706116), (152, 538878), (163, 502512), (174, 470744), (228, 359252), (232, 353058), (304, 269439), (326, 251256), (348, 235372), (361, 226896), (456, 179626), (464, 176529), (489, 167504), (551, 148656), (652, 125628), (696, 117686), (722, 113448), (912, 89813), (978, 83752), (1083, 75632), (1102, 74328), (1304, 62814), (1392, 58843), (1444, 56724), (1653, 49552), (1956, 41876), (2166, 37816), (2204, 37164), (2608, 31407), (2888, 28362), (3097, 26448), (3306, 24776), (3912, 20938), (4332, 18908), (4408, 18582), (4727, 17328), (5776, 14181), (6194, 13224), (6612, 12388), (7824, 10469), (8664, 9454), (8816, 9291)]