131215728

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1259

約数の個数: 120

約数和(自身を含む): 403045632

約数和(自身を除く): 271829904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 49, 56, 84, 94, 98, 112, 141, 147, 168, 188, 196, 282, 294, 329, 336, 376, 392, 564, 588, 658, 752, 784, 987, 1128, 1176, 1187, 1316, 1974, 2256, 2303, 2352, 2374, 2632, 3561, 3948, 4606, 4748, 5264, 6909, 7122, 7896, 8309, 9212, 9496, 13818, 14244, 15792, 16618, 18424, 18992, 24927, 27636, 28488, 33236, 36848, 49854, 55272, 55789, 56976, 58163, 66472, 99708, 110544, 111578, 116326, 132944, 167367, 174489, 199416, 223156, 232652, 334734, 348978, 390523, 398832, 446312, 465304, 669468, 697956, 781046, 892624, 930608, 1171569, 1338936, 1395912, 1562092, 2343138, 2677872, 2733661, 2791824, 3124184, 4686276, 5467322, 6248368, 8200983, 9372552, 10934644, 16401966, 18745104, 21869288, 32803932, 43738576, 65607864, 131215728]

約数ペア:

[(1, 131215728), (2, 65607864), (3, 43738576), (4, 32803932), (6, 21869288), (7, 18745104), (8, 16401966), (12, 10934644), (14, 9372552), (16, 8200983), (21, 6248368), (24, 5467322), (28, 4686276), (42, 3124184), (47, 2791824), (48, 2733661), (49, 2677872), (56, 2343138), (84, 1562092), (94, 1395912), (98, 1338936), (112, 1171569), (141, 930608), (147, 892624), (168, 781046), (188, 697956), (196, 669468), (282, 465304), (294, 446312), (329, 398832), (336, 390523), (376, 348978), (392, 334734), (564, 232652), (588, 223156), (658, 199416), (752, 174489), (784, 167367), (987, 132944), (1128, 116326), (1176, 111578), (1187, 110544), (1316, 99708), (1974, 66472), (2256, 58163), (2303, 56976), (2352, 55789), (2374, 55272), (2632, 49854), (3561, 36848), (3948, 33236), (4606, 28488), (4748, 27636), (5264, 24927), (6909, 18992), (7122, 18424), (7896, 16618), (8309, 15792), (9212, 14244), (9496, 13818)]