81164928

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 236476800

約数和(自身を除く): 155311872

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 71, 78, 96, 104, 128, 142, 156, 192, 208, 213, 229, 284, 312, 384, 416, 426, 458, 568, 624, 687, 832, 852, 916, 923, 1136, 1248, 1374, 1664, 1704, 1832, 1846, 2272, 2496, 2748, 2769, 2977, 3408, 3664, 3692, 4544, 4992, 5496, 5538, 5954, 6816, 7328, 7384, 8931, 9088, 10992, 11076, 11908, 13632, 14656, 14768, 16259, 17862, 21984, 22152, 23816, 27264, 29312, 29536, 32518, 35724, 43968, 44304, 47632, 48777, 59072, 65036, 71448, 87936, 88608, 95264, 97554, 118144, 130072, 142896, 177216, 190528, 195108, 211367, 260144, 285792, 354432, 381056, 390216, 422734, 520288, 571584, 634101, 780432, 845468, 1040576, 1143168, 1268202, 1560864, 1690936, 2081152, 2536404, 3121728, 3381872, 5072808, 6243456, 6763744, 10145616, 13527488, 20291232, 27054976, 40582464, 81164928]

約数ペア:

[(1, 81164928), (2, 40582464), (3, 27054976), (4, 20291232), (6, 13527488), (8, 10145616), (12, 6763744), (13, 6243456), (16, 5072808), (24, 3381872), (26, 3121728), (32, 2536404), (39, 2081152), (48, 1690936), (52, 1560864), (64, 1268202), (71, 1143168), (78, 1040576), (96, 845468), (104, 780432), (128, 634101), (142, 571584), (156, 520288), (192, 422734), (208, 390216), (213, 381056), (229, 354432), (284, 285792), (312, 260144), (384, 211367), (416, 195108), (426, 190528), (458, 177216), (568, 142896), (624, 130072), (687, 118144), (832, 97554), (852, 95264), (916, 88608), (923, 87936), (1136, 71448), (1248, 65036), (1374, 59072), (1664, 48777), (1704, 47632), (1832, 44304), (1846, 43968), (2272, 35724), (2496, 32518), (2748, 29536), (2769, 29312), (2977, 27264), (3408, 23816), (3664, 22152), (3692, 21984), (4544, 17862), (4992, 16259), (5496, 14768), (5538, 14656), (5954, 13632), (6816, 11908), (7328, 11076), (7384, 10992), (8931, 9088)]