1320272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 40

約数和(自身を含む): 2782560

約数和(自身を除く): 1462288

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 101, 152, 172, 202, 304, 344, 404, 688, 808, 817, 1616, 1634, 1919, 3268, 3838, 4343, 6536, 7676, 8686, 13072, 15352, 17372, 30704, 34744, 69488, 82517, 165034, 330068, 660136, 1320272]

約数ペア:

[(1, 1320272), (2, 660136), (4, 330068), (8, 165034), (16, 82517), (19, 69488), (38, 34744), (43, 30704), (76, 17372), (86, 15352), (101, 13072), (152, 8686), (172, 7676), (202, 6536), (304, 4343), (344, 3838), (404, 3268), (688, 1919), (808, 1634), (817, 1616)]