81275376

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:863

約数の個数: 160

約数和(自身を含む): 269982720

約数和(自身を除く): 188707344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 23, 24, 26, 28, 39, 42, 46, 48, 52, 56, 69, 78, 84, 91, 92, 104, 112, 138, 156, 161, 168, 182, 184, 208, 273, 276, 299, 312, 322, 336, 364, 368, 483, 546, 552, 598, 624, 644, 728, 809, 897, 966, 1092, 1104, 1196, 1288, 1456, 1618, 1794, 1932, 2093, 2184, 2392, 2427, 2576, 3236, 3588, 3864, 4186, 4368, 4784, 4854, 5663, 6279, 6472, 7176, 7728, 8372, 9708, 10517, 11326, 12558, 12944, 14352, 16744, 16989, 18607, 19416, 21034, 22652, 25116, 31551, 33488, 33978, 37214, 38832, 42068, 45304, 50232, 55821, 63102, 67956, 73619, 74428, 84136, 90608, 100464, 111642, 126204, 130249, 135912, 147238, 148856, 168272, 220857, 223284, 241891, 252408, 260498, 271824, 294476, 297712, 390747, 441714, 446568, 483782, 504816, 520996, 588952, 725673, 781494, 883428, 893136, 967564, 1041992, 1177904, 1451346, 1562988, 1693237, 1766856, 1935128, 2083984, 2902692, 3125976, 3386474, 3533712, 3870256, 5079711, 5805384, 6251952, 6772948, 10159422, 11610768, 13545896, 20318844, 27091792, 40637688, 81275376]

約数ペア:

[(1, 81275376), (2, 40637688), (3, 27091792), (4, 20318844), (6, 13545896), (7, 11610768), (8, 10159422), (12, 6772948), (13, 6251952), (14, 5805384), (16, 5079711), (21, 3870256), (23, 3533712), (24, 3386474), (26, 3125976), (28, 2902692), (39, 2083984), (42, 1935128), (46, 1766856), (48, 1693237), (52, 1562988), (56, 1451346), (69, 1177904), (78, 1041992), (84, 967564), (91, 893136), (92, 883428), (104, 781494), (112, 725673), (138, 588952), (156, 520996), (161, 504816), (168, 483782), (182, 446568), (184, 441714), (208, 390747), (273, 297712), (276, 294476), (299, 271824), (312, 260498), (322, 252408), (336, 241891), (364, 223284), (368, 220857), (483, 168272), (546, 148856), (552, 147238), (598, 135912), (624, 130249), (644, 126204), (728, 111642), (809, 100464), (897, 90608), (966, 84136), (1092, 74428), (1104, 73619), (1196, 67956), (1288, 63102), (1456, 55821), (1618, 50232), (1794, 45304), (1932, 42068), (2093, 38832), (2184, 37214), (2392, 33978), (2427, 33488), (2576, 31551), (3236, 25116), (3588, 22652), (3864, 21034), (4186, 19416), (4368, 18607), (4784, 16989), (4854, 16744), (5663, 14352), (6279, 12944), (6472, 12558), (7176, 11326), (7728, 10517), (8372, 9708)]