81444384

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:663

約数の個数: 144

約数和(自身を含む): 268894080

約数和(自身を除く): 187449696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 71, 72, 84, 96, 112, 126, 142, 144, 168, 213, 224, 252, 284, 288, 336, 426, 497, 504, 568, 569, 639, 672, 852, 994, 1008, 1136, 1138, 1278, 1491, 1704, 1707, 1988, 2016, 2272, 2276, 2556, 2982, 3408, 3414, 3976, 3983, 4473, 4552, 5112, 5121, 5964, 6816, 6828, 7952, 7966, 8946, 9104, 10224, 10242, 11928, 11949, 13656, 15904, 15932, 17892, 18208, 20448, 20484, 23856, 23898, 27312, 31864, 35784, 35847, 40399, 40968, 47712, 47796, 54624, 63728, 71568, 71694, 80798, 81936, 95592, 121197, 127456, 143136, 143388, 161596, 163872, 191184, 242394, 282793, 286776, 323192, 363591, 382368, 484788, 565586, 573552, 646384, 727182, 848379, 969576, 1131172, 1147104, 1292768, 1454364, 1696758, 1939152, 2262344, 2545137, 2908728, 3393516, 3878304, 4524688, 5090274, 5817456, 6787032, 9049376, 10180548, 11634912, 13574064, 20361096, 27148128, 40722192, 81444384]

約数ペア:

[(1, 81444384), (2, 40722192), (3, 27148128), (4, 20361096), (6, 13574064), (7, 11634912), (8, 10180548), (9, 9049376), (12, 6787032), (14, 5817456), (16, 5090274), (18, 4524688), (21, 3878304), (24, 3393516), (28, 2908728), (32, 2545137), (36, 2262344), (42, 1939152), (48, 1696758), (56, 1454364), (63, 1292768), (71, 1147104), (72, 1131172), (84, 969576), (96, 848379), (112, 727182), (126, 646384), (142, 573552), (144, 565586), (168, 484788), (213, 382368), (224, 363591), (252, 323192), (284, 286776), (288, 282793), (336, 242394), (426, 191184), (497, 163872), (504, 161596), (568, 143388), (569, 143136), (639, 127456), (672, 121197), (852, 95592), (994, 81936), (1008, 80798), (1136, 71694), (1138, 71568), (1278, 63728), (1491, 54624), (1704, 47796), (1707, 47712), (1988, 40968), (2016, 40399), (2272, 35847), (2276, 35784), (2556, 31864), (2982, 27312), (3408, 23898), (3414, 23856), (3976, 20484), (3983, 20448), (4473, 18208), (4552, 17892), (5112, 15932), (5121, 15904), (5964, 13656), (6816, 11949), (6828, 11928), (7952, 10242), (7966, 10224), (8946, 9104)]