81983664

素因数分解:

$2^4\times 3^4\times 7^2\times {\mathrm{1291}}^1$

素因数の和:1325

約数の個数: 150

約数和(自身を含む): 276238644

約数和(自身を除く): 194254980

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 252, 294, 324, 336, 378, 392, 432, 441, 504, 567, 588, 648, 756, 784, 882, 1008, 1134, 1176, 1291, 1296, 1323, 1512, 1764, 2268, 2352, 2582, 2646, 3024, 3528, 3873, 3969, 4536, 5164, 5292, 7056, 7746, 7938, 9037, 9072, 10328, 10584, 11619, 15492, 15876, 18074, 20656, 21168, 23238, 27111, 30984, 31752, 34857, 36148, 46476, 54222, 61968, 63259, 63504, 69714, 72296, 81333, 92952, 104571, 108444, 126518, 139428, 144592, 162666, 185904, 189777, 209142, 216888, 243999, 253036, 278856, 325332, 379554, 418284, 433776, 487998, 506072, 557712, 569331, 650664, 731997, 759108, 836568, 975996, 1012144, 1138662, 1301328, 1463994, 1518216, 1673136, 1707993, 1951992, 2277324, 2927988, 3036432, 3415986, 3903984, 4554648, 5123979, 5855976, 6831972, 9109296, 10247958, 11711952, 13663944, 20495916, 27327888, 40991832, 81983664]

約数ペア:

[(1, 81983664), (2, 40991832), (3, 27327888), (4, 20495916), (6, 13663944), (7, 11711952), (8, 10247958), (9, 9109296), (12, 6831972), (14, 5855976), (16, 5123979), (18, 4554648), (21, 3903984), (24, 3415986), (27, 3036432), (28, 2927988), (36, 2277324), (42, 1951992), (48, 1707993), (49, 1673136), (54, 1518216), (56, 1463994), (63, 1301328), (72, 1138662), (81, 1012144), (84, 975996), (98, 836568), (108, 759108), (112, 731997), (126, 650664), (144, 569331), (147, 557712), (162, 506072), (168, 487998), (189, 433776), (196, 418284), (216, 379554), (252, 325332), (294, 278856), (324, 253036), (336, 243999), (378, 216888), (392, 209142), (432, 189777), (441, 185904), (504, 162666), (567, 144592), (588, 139428), (648, 126518), (756, 108444), (784, 104571), (882, 92952), (1008, 81333), (1134, 72296), (1176, 69714), (1291, 63504), (1296, 63259), (1323, 61968), (1512, 54222), (1764, 46476), (2268, 36148), (2352, 34857), (2582, 31752), (2646, 30984), (3024, 27111), (3528, 23238), (3873, 21168), (3969, 20656), (4536, 18074), (5164, 15876), (5292, 15492), (7056, 11619), (7746, 10584), (7938, 10328), (9037, 9072)]