81980928

素因数分解:

$2^9\times 3^2\times {\mathrm{17791}}^1$

素因数の和:17815

約数の個数: 60

約数和(自身を含む): 236615808

約数和(自身を除く): 154634880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4608, 17791, 35582, 53373, 71164, 106746, 142328, 160119, 213492, 284656, 320238, 426984, 569312, 640476, 853968, 1138624, 1280952, 1707936, 2277248, 2561904, 3415872, 4554496, 5123808, 6831744, 9108992, 10247616, 13663488, 20495232, 27326976, 40990464, 81980928]

約数ペア:

[(1, 81980928), (2, 40990464), (3, 27326976), (4, 20495232), (6, 13663488), (8, 10247616), (9, 9108992), (12, 6831744), (16, 5123808), (18, 4554496), (24, 3415872), (32, 2561904), (36, 2277248), (48, 1707936), (64, 1280952), (72, 1138624), (96, 853968), (128, 640476), (144, 569312), (192, 426984), (256, 320238), (288, 284656), (384, 213492), (512, 160119), (576, 142328), (768, 106746), (1152, 71164), (1536, 53373), (2304, 35582), (4608, 17791)]