120729680

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2347}}^1$

素因数の和:3003

約数の個数: 40

約数和(自身を含む): 281252832

約数和(自身を除く): 160523152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2347, 2572, 3215, 4694, 5144, 6430, 9388, 10288, 11735, 12860, 18776, 23470, 25720, 37552, 46940, 51440, 93880, 187760, 1509121, 3018242, 6036484, 7545605, 12072968, 15091210, 24145936, 30182420, 60364840, 120729680]

約数ペア:

[(1, 120729680), (2, 60364840), (4, 30182420), (5, 24145936), (8, 15091210), (10, 12072968), (16, 7545605), (20, 6036484), (40, 3018242), (80, 1509121), (643, 187760), (1286, 93880), (2347, 51440), (2572, 46940), (3215, 37552), (4694, 25720), (5144, 23470), (6430, 18776), (9388, 12860), (10288, 11735)]