81437568

素因数分解:

$2^7\times 3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 229132800

約数和(自身を除く): 147695232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 71, 87, 96, 103, 116, 128, 142, 174, 192, 206, 213, 232, 284, 309, 348, 384, 412, 426, 464, 568, 618, 696, 824, 852, 928, 1136, 1236, 1392, 1648, 1704, 1856, 2059, 2272, 2472, 2784, 2987, 3296, 3408, 3712, 4118, 4544, 4944, 5568, 5974, 6177, 6592, 6816, 7313, 8236, 8961, 9088, 9888, 11136, 11948, 12354, 13184, 13632, 14626, 16472, 17922, 19776, 21939, 23896, 24708, 27264, 29252, 32944, 35844, 39552, 43878, 47792, 49416, 58504, 65888, 71688, 87756, 95584, 98832, 117008, 131776, 143376, 175512, 191168, 197664, 212077, 234016, 263552, 286752, 351024, 382336, 395328, 424154, 468032, 573504, 636231, 702048, 790656, 848308, 936064, 1147008, 1272462, 1404096, 1696616, 2544924, 2808192, 3393232, 5089848, 6786464, 10179696, 13572928, 20359392, 27145856, 40718784, 81437568]

約数ペア:

[(1, 81437568), (2, 40718784), (3, 27145856), (4, 20359392), (6, 13572928), (8, 10179696), (12, 6786464), (16, 5089848), (24, 3393232), (29, 2808192), (32, 2544924), (48, 1696616), (58, 1404096), (64, 1272462), (71, 1147008), (87, 936064), (96, 848308), (103, 790656), (116, 702048), (128, 636231), (142, 573504), (174, 468032), (192, 424154), (206, 395328), (213, 382336), (232, 351024), (284, 286752), (309, 263552), (348, 234016), (384, 212077), (412, 197664), (426, 191168), (464, 175512), (568, 143376), (618, 131776), (696, 117008), (824, 98832), (852, 95584), (928, 87756), (1136, 71688), (1236, 65888), (1392, 58504), (1648, 49416), (1704, 47792), (1856, 43878), (2059, 39552), (2272, 35844), (2472, 32944), (2784, 29252), (2987, 27264), (3296, 24708), (3408, 23896), (3712, 21939), (4118, 19776), (4544, 17922), (4944, 16472), (5568, 14626), (5974, 13632), (6177, 13184), (6592, 12354), (6816, 11948), (7313, 11136), (8236, 9888), (8961, 9088)]