278188992

素因数分解:

$2^6\times 3^4\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 140

約数和(自身を含む): 834243696

約数和(自身を除く): 556054704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 103, 108, 144, 162, 192, 206, 216, 288, 309, 324, 412, 432, 521, 576, 618, 648, 824, 864, 927, 1042, 1236, 1296, 1563, 1648, 1728, 1854, 2084, 2472, 2592, 2781, 3126, 3296, 3708, 4168, 4689, 4944, 5184, 5562, 6252, 6592, 7416, 8336, 8343, 9378, 9888, 11124, 12504, 14067, 14832, 16672, 16686, 18756, 19776, 22248, 25008, 28134, 29664, 33344, 33372, 37512, 42201, 44496, 50016, 53663, 56268, 59328, 66744, 75024, 84402, 88992, 100032, 107326, 112536, 133488, 150048, 160989, 168804, 177984, 214652, 225072, 266976, 300096, 321978, 337608, 429304, 450144, 482967, 533952, 643956, 675216, 858608, 900288, 965934, 1287912, 1350432, 1448901, 1717216, 1931868, 2575824, 2700864, 2897802, 3434432, 3863736, 4346703, 5151648, 5795604, 7727472, 8693406, 10303296, 11591208, 15454944, 17386812, 23182416, 30909888, 34773624, 46364832, 69547248, 92729664, 139094496, 278188992]

約数ペア:

[(1, 278188992), (2, 139094496), (3, 92729664), (4, 69547248), (6, 46364832), (8, 34773624), (9, 30909888), (12, 23182416), (16, 17386812), (18, 15454944), (24, 11591208), (27, 10303296), (32, 8693406), (36, 7727472), (48, 5795604), (54, 5151648), (64, 4346703), (72, 3863736), (81, 3434432), (96, 2897802), (103, 2700864), (108, 2575824), (144, 1931868), (162, 1717216), (192, 1448901), (206, 1350432), (216, 1287912), (288, 965934), (309, 900288), (324, 858608), (412, 675216), (432, 643956), (521, 533952), (576, 482967), (618, 450144), (648, 429304), (824, 337608), (864, 321978), (927, 300096), (1042, 266976), (1236, 225072), (1296, 214652), (1563, 177984), (1648, 168804), (1728, 160989), (1854, 150048), (2084, 133488), (2472, 112536), (2592, 107326), (2781, 100032), (3126, 88992), (3296, 84402), (3708, 75024), (4168, 66744), (4689, 59328), (4944, 56268), (5184, 53663), (5562, 50016), (6252, 44496), (6592, 42201), (7416, 37512), (8336, 33372), (8343, 33344), (9378, 29664), (9888, 28134), (11124, 25008), (12504, 22248), (14067, 19776), (14832, 18756), (16672, 16686)]