81270528

素因数分解:

$2^8\times 3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 231789600

約数和(自身を除く): 150519072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 41, 48, 58, 64, 82, 87, 89, 96, 116, 123, 128, 164, 174, 178, 192, 232, 246, 256, 267, 328, 348, 356, 384, 464, 492, 534, 656, 696, 712, 768, 928, 984, 1068, 1189, 1312, 1392, 1424, 1856, 1968, 2136, 2378, 2581, 2624, 2784, 2848, 3567, 3649, 3712, 3936, 4272, 4756, 5162, 5248, 5568, 5696, 7134, 7298, 7424, 7743, 7872, 8544, 9512, 10324, 10496, 10947, 11136, 11392, 14268, 14596, 15486, 15744, 17088, 19024, 20648, 21894, 22272, 22784, 28536, 29192, 30972, 31488, 34176, 38048, 41296, 43788, 57072, 58384, 61944, 68352, 76096, 82592, 87576, 105821, 114144, 116768, 123888, 152192, 165184, 175152, 211642, 228288, 233536, 247776, 304384, 317463, 330368, 350304, 423284, 456576, 467072, 495552, 634926, 660736, 700608, 846568, 913152, 934144, 991104, 1269852, 1401216, 1693136, 1982208, 2539704, 2802432, 3386272, 5079408, 6772544, 10158816, 13545088, 20317632, 27090176, 40635264, 81270528]

約数ペア:

[(1, 81270528), (2, 40635264), (3, 27090176), (4, 20317632), (6, 13545088), (8, 10158816), (12, 6772544), (16, 5079408), (24, 3386272), (29, 2802432), (32, 2539704), (41, 1982208), (48, 1693136), (58, 1401216), (64, 1269852), (82, 991104), (87, 934144), (89, 913152), (96, 846568), (116, 700608), (123, 660736), (128, 634926), (164, 495552), (174, 467072), (178, 456576), (192, 423284), (232, 350304), (246, 330368), (256, 317463), (267, 304384), (328, 247776), (348, 233536), (356, 228288), (384, 211642), (464, 175152), (492, 165184), (534, 152192), (656, 123888), (696, 116768), (712, 114144), (768, 105821), (928, 87576), (984, 82592), (1068, 76096), (1189, 68352), (1312, 61944), (1392, 58384), (1424, 57072), (1856, 43788), (1968, 41296), (2136, 38048), (2378, 34176), (2581, 31488), (2624, 30972), (2784, 29192), (2848, 28536), (3567, 22784), (3649, 22272), (3712, 21894), (3936, 20648), (4272, 19024), (4756, 17088), (5162, 15744), (5248, 15486), (5568, 14596), (5696, 14268), (7134, 11392), (7298, 11136), (7424, 10947), (7743, 10496), (7872, 10324), (8544, 9512)]