81964512

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:505

約数の個数: 144

約数和(自身を含む): 269549280

約数和(自身を除く): 187584768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 109, 112, 126, 144, 168, 218, 224, 252, 288, 327, 336, 373, 436, 504, 654, 672, 746, 763, 872, 981, 1008, 1119, 1308, 1492, 1526, 1744, 1962, 2016, 2238, 2289, 2611, 2616, 2984, 3052, 3357, 3488, 3924, 4476, 4578, 5222, 5232, 5968, 6104, 6714, 6867, 7833, 7848, 8952, 9156, 10444, 10464, 11936, 12208, 13428, 13734, 15666, 15696, 17904, 18312, 20888, 23499, 24416, 26856, 27468, 31332, 31392, 35808, 36624, 40657, 41776, 46998, 53712, 54936, 62664, 73248, 81314, 83552, 93996, 107424, 109872, 121971, 125328, 162628, 187992, 219744, 243942, 250656, 284599, 325256, 365913, 375984, 487884, 569198, 650512, 731826, 751968, 853797, 975768, 1138396, 1301024, 1463652, 1707594, 1951536, 2276792, 2561391, 2927304, 3415188, 3903072, 4553584, 5122782, 5854608, 6830376, 9107168, 10245564, 11709216, 13660752, 20491128, 27321504, 40982256, 81964512]

約数ペア:

[(1, 81964512), (2, 40982256), (3, 27321504), (4, 20491128), (6, 13660752), (7, 11709216), (8, 10245564), (9, 9107168), (12, 6830376), (14, 5854608), (16, 5122782), (18, 4553584), (21, 3903072), (24, 3415188), (28, 2927304), (32, 2561391), (36, 2276792), (42, 1951536), (48, 1707594), (56, 1463652), (63, 1301024), (72, 1138396), (84, 975768), (96, 853797), (109, 751968), (112, 731826), (126, 650512), (144, 569198), (168, 487884), (218, 375984), (224, 365913), (252, 325256), (288, 284599), (327, 250656), (336, 243942), (373, 219744), (436, 187992), (504, 162628), (654, 125328), (672, 121971), (746, 109872), (763, 107424), (872, 93996), (981, 83552), (1008, 81314), (1119, 73248), (1308, 62664), (1492, 54936), (1526, 53712), (1744, 46998), (1962, 41776), (2016, 40657), (2238, 36624), (2289, 35808), (2611, 31392), (2616, 31332), (2984, 27468), (3052, 26856), (3357, 24416), (3488, 23499), (3924, 20888), (4476, 18312), (4578, 17904), (5222, 15696), (5232, 15666), (5968, 13734), (6104, 13428), (6714, 12208), (6867, 11936), (7833, 10464), (7848, 10444), (8952, 9156)]