261206496

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1785

約数の個数: 144

約数和(自身を含む): 812343168

約数和(自身を除く): 551136672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 32, 34, 36, 48, 51, 62, 68, 72, 93, 96, 102, 124, 136, 144, 153, 186, 204, 248, 272, 279, 288, 306, 372, 408, 496, 527, 544, 558, 612, 744, 816, 992, 1054, 1116, 1224, 1488, 1581, 1632, 1721, 2108, 2232, 2448, 2976, 3162, 3442, 4216, 4464, 4743, 4896, 5163, 6324, 6884, 8432, 8928, 9486, 10326, 12648, 13768, 15489, 16864, 18972, 20652, 25296, 27536, 29257, 30978, 37944, 41304, 50592, 53351, 55072, 58514, 61956, 75888, 82608, 87771, 106702, 117028, 123912, 151776, 160053, 165216, 175542, 213404, 234056, 247824, 263313, 320106, 351084, 426808, 468112, 480159, 495648, 526626, 640212, 702168, 853616, 906967, 936224, 960318, 1053252, 1280424, 1404336, 1707232, 1813934, 1920636, 2106504, 2560848, 2720901, 2808672, 3627868, 3841272, 4213008, 5121696, 5441802, 7255736, 7682544, 8162703, 8426016, 10883604, 14511472, 15365088, 16325406, 21767208, 29022944, 32650812, 43534416, 65301624, 87068832, 130603248, 261206496]

約数ペア:

[(1, 261206496), (2, 130603248), (3, 87068832), (4, 65301624), (6, 43534416), (8, 32650812), (9, 29022944), (12, 21767208), (16, 16325406), (17, 15365088), (18, 14511472), (24, 10883604), (31, 8426016), (32, 8162703), (34, 7682544), (36, 7255736), (48, 5441802), (51, 5121696), (62, 4213008), (68, 3841272), (72, 3627868), (93, 2808672), (96, 2720901), (102, 2560848), (124, 2106504), (136, 1920636), (144, 1813934), (153, 1707232), (186, 1404336), (204, 1280424), (248, 1053252), (272, 960318), (279, 936224), (288, 906967), (306, 853616), (372, 702168), (408, 640212), (496, 526626), (527, 495648), (544, 480159), (558, 468112), (612, 426808), (744, 351084), (816, 320106), (992, 263313), (1054, 247824), (1116, 234056), (1224, 213404), (1488, 175542), (1581, 165216), (1632, 160053), (1721, 151776), (2108, 123912), (2232, 117028), (2448, 106702), (2976, 87771), (3162, 82608), (3442, 75888), (4216, 61956), (4464, 58514), (4743, 55072), (4896, 53351), (5163, 50592), (6324, 41304), (6884, 37944), (8432, 30978), (8928, 29257), (9486, 27536), (10326, 25296), (12648, 20652), (13768, 18972), (15489, 16864)]