81730656

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:665

約数の個数: 144

約数和(自身を含む): 269837568

約数和(自身を除く): 188106912

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, 571, 639, 672, 852, 994, 1008, 1136, 1142, 1278, 1491, 1704, 1713, 1988, 2016, 2272, 2284, 2556, 2982, 3408, 3426, 3976, 3997, 4473, 4568, 5112, 5139, 5964, 6816, 6852, 7952, 7994, 8946, 9136, 10224, 10278, 11928, 11991, 13704, 15904, 15988, 17892, 18272, 20448, 20556, 23856, 23982, 27408, 31976, 35784, 35973, 40541, 41112, 47712, 47964, 54816, 63952, 71568, 71946, 81082, 82224, 95928, 121623, 127904, 143136, 143892, 162164, 164448, 191856, 243246, 283787, 287784, 324328, 364869, 383712, 486492, 567574, 575568, 648656, 729738, 851361, 972984, 1135148, 1151136, 1297312, 1459476, 1702722, 1945968, 2270296, 2554083, 2918952, 3405444, 3891936, 4540592, 5108166, 5837904, 6810888, 9081184, 10216332, 11675808, 13621776, 20432664, 27243552, 40865328, 81730656]

約数ペア:

[(1, 81730656), (2, 40865328), (3, 27243552), (4, 20432664), (6, 13621776), (7, 11675808), (8, 10216332), (9, 9081184), (12, 6810888), (14, 5837904), (16, 5108166), (18, 4540592), (21, 3891936), (24, 3405444), (28, 2918952), (32, 2554083), (36, 2270296), (42, 1945968), (48, 1702722), (56, 1459476), (63, 1297312), (71, 1151136), (72, 1135148), (84, 972984), (96, 851361), (112, 729738), (126, 648656), (142, 575568), (144, 567574), (168, 486492), (213, 383712), (224, 364869), (252, 324328), (284, 287784), (288, 283787), (336, 243246), (426, 191856), (497, 164448), (504, 162164), (568, 143892), (571, 143136), (639, 127904), (672, 121623), (852, 95928), (994, 82224), (1008, 81082), (1136, 71946), (1142, 71568), (1278, 63952), (1491, 54816), (1704, 47964), (1713, 47712), (1988, 41112), (2016, 40541), (2272, 35973), (2284, 35784), (2556, 31976), (2982, 27408), (3408, 23982), (3426, 23856), (3976, 20556), (3997, 20448), (4473, 18272), (4568, 17892), (5112, 15988), (5139, 15904), (5964, 13704), (6816, 11991), (6852, 11928), (7952, 10278), (7994, 10224), (8946, 9136)]