81920016

素因数分解:

$2^4\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7793}}^1$

素因数の和:7880

約数の個数: 60

約数和(自身を含む): 232432668

約数和(自身を除く): 150512652

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 73, 144, 146, 219, 292, 438, 584, 657, 876, 1168, 1314, 1752, 2628, 3504, 5256, 7793, 10512, 15586, 23379, 31172, 46758, 62344, 70137, 93516, 124688, 140274, 187032, 280548, 374064, 561096, 568889, 1122192, 1137778, 1706667, 2275556, 3413334, 4551112, 5120001, 6826668, 9102224, 10240002, 13653336, 20480004, 27306672, 40960008, 81920016]

約数ペア:

[(1, 81920016), (2, 40960008), (3, 27306672), (4, 20480004), (6, 13653336), (8, 10240002), (9, 9102224), (12, 6826668), (16, 5120001), (18, 4551112), (24, 3413334), (36, 2275556), (48, 1706667), (72, 1137778), (73, 1122192), (144, 568889), (146, 561096), (219, 374064), (292, 280548), (438, 187032), (584, 140274), (657, 124688), (876, 93516), (1168, 70137), (1314, 62344), (1752, 46758), (2628, 31172), (3504, 23379), (5256, 15586), (7793, 10512)]