81274704

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 160

約数和(自身を含む): 261888000

約数和(自身を除く): 180613296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 29, 38, 42, 48, 56, 57, 58, 76, 84, 87, 112, 114, 116, 133, 152, 168, 174, 203, 228, 232, 266, 304, 336, 348, 399, 406, 439, 456, 464, 532, 551, 609, 696, 798, 812, 878, 912, 1064, 1102, 1218, 1317, 1392, 1596, 1624, 1653, 1756, 2128, 2204, 2436, 2634, 3073, 3192, 3248, 3306, 3512, 3857, 4408, 4872, 5268, 6146, 6384, 6612, 7024, 7714, 8341, 8816, 9219, 9744, 10536, 11571, 12292, 12731, 13224, 15428, 16682, 18438, 21072, 23142, 24584, 25023, 25462, 26448, 30856, 33364, 36876, 38193, 46284, 49168, 50046, 50924, 58387, 61712, 66728, 73752, 76386, 89117, 92568, 100092, 101848, 116774, 133456, 147504, 152772, 175161, 178234, 185136, 200184, 203696, 233548, 241889, 267351, 305544, 350322, 356468, 400368, 467096, 483778, 534702, 611088, 700644, 712936, 725667, 934192, 967556, 1069404, 1401288, 1425872, 1451334, 1693223, 1935112, 2138808, 2802576, 2902668, 3386446, 3870224, 4277616, 5079669, 5805336, 6772892, 10159338, 11610672, 13545784, 20318676, 27091568, 40637352, 81274704]

約数ペア:

[(1, 81274704), (2, 40637352), (3, 27091568), (4, 20318676), (6, 13545784), (7, 11610672), (8, 10159338), (12, 6772892), (14, 5805336), (16, 5079669), (19, 4277616), (21, 3870224), (24, 3386446), (28, 2902668), (29, 2802576), (38, 2138808), (42, 1935112), (48, 1693223), (56, 1451334), (57, 1425872), (58, 1401288), (76, 1069404), (84, 967556), (87, 934192), (112, 725667), (114, 712936), (116, 700644), (133, 611088), (152, 534702), (168, 483778), (174, 467096), (203, 400368), (228, 356468), (232, 350322), (266, 305544), (304, 267351), (336, 241889), (348, 233548), (399, 203696), (406, 200184), (439, 185136), (456, 178234), (464, 175161), (532, 152772), (551, 147504), (609, 133456), (696, 116774), (798, 101848), (812, 100092), (878, 92568), (912, 89117), (1064, 76386), (1102, 73752), (1218, 66728), (1317, 61712), (1392, 58387), (1596, 50924), (1624, 50046), (1653, 49168), (1756, 46284), (2128, 38193), (2204, 36876), (2436, 33364), (2634, 30856), (3073, 26448), (3192, 25462), (3248, 25023), (3306, 24584), (3512, 23142), (3857, 21072), (4408, 18438), (4872, 16682), (5268, 15428), (6146, 13224), (6384, 12731), (6612, 12292), (7024, 11571), (7714, 10536), (8341, 9744), (8816, 9219)]