638998416

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{30187}}^1$

素因数の和:30218

約数の個数: 120

約数和(自身を含む): 2133687840

約数和(自身を除く): 1494689424

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, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 378, 392, 432, 441, 504, 588, 756, 784, 882, 1008, 1176, 1323, 1512, 1764, 2352, 2646, 3024, 3528, 5292, 7056, 10584, 21168, 30187, 60374, 90561, 120748, 181122, 211309, 241496, 271683, 362244, 422618, 482992, 543366, 633927, 724488, 815049, 845236, 1086732, 1267854, 1448976, 1479163, 1630098, 1690472, 1901781, 2173464, 2535708, 2958326, 3260196, 3380944, 3803562, 4346928, 4437489, 5071416, 5705343, 5916652, 6520392, 7607124, 8874978, 10142832, 11410686, 11833304, 13040784, 13312467, 15214248, 17749956, 22821372, 23666608, 26624934, 30428496, 35499912, 39937401, 45642744, 53249868, 70999824, 79874802, 91285488, 106499736, 159749604, 212999472, 319499208, 638998416]

約数ペア:

[(1, 638998416), (2, 319499208), (3, 212999472), (4, 159749604), (6, 106499736), (7, 91285488), (8, 79874802), (9, 70999824), (12, 53249868), (14, 45642744), (16, 39937401), (18, 35499912), (21, 30428496), (24, 26624934), (27, 23666608), (28, 22821372), (36, 17749956), (42, 15214248), (48, 13312467), (49, 13040784), (54, 11833304), (56, 11410686), (63, 10142832), (72, 8874978), (84, 7607124), (98, 6520392), (108, 5916652), (112, 5705343), (126, 5071416), (144, 4437489), (147, 4346928), (168, 3803562), (189, 3380944), (196, 3260196), (216, 2958326), (252, 2535708), (294, 2173464), (336, 1901781), (378, 1690472), (392, 1630098), (432, 1479163), (441, 1448976), (504, 1267854), (588, 1086732), (756, 845236), (784, 815049), (882, 724488), (1008, 633927), (1176, 543366), (1323, 482992), (1512, 422618), (1764, 362244), (2352, 271683), (2646, 241496), (3024, 211309), (3528, 181122), (5292, 120748), (7056, 90561), (10584, 60374), (21168, 30187)]