68320480

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1373}}^1$

素因数の和:1699

約数の個数: 48

約数和(自身を含む): 162044064

約数和(自身を除く): 93723584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1373, 1555, 2488, 2746, 3110, 4976, 5492, 6220, 6865, 9952, 10984, 12440, 13730, 21968, 24880, 27460, 43936, 49760, 54920, 109840, 219680, 427003, 854006, 1708012, 2135015, 3416024, 4270030, 6832048, 8540060, 13664096, 17080120, 34160240, 68320480]

約数ペア:

[(1, 68320480), (2, 34160240), (4, 17080120), (5, 13664096), (8, 8540060), (10, 6832048), (16, 4270030), (20, 3416024), (32, 2135015), (40, 1708012), (80, 854006), (160, 427003), (311, 219680), (622, 109840), (1244, 54920), (1373, 49760), (1555, 43936), (2488, 27460), (2746, 24880), (3110, 21968), (4976, 13730), (5492, 12440), (6220, 10984), (6865, 9952)]