77245760

素因数分解:

$2^6\times 5^1\times {\mathrm{241393}}^1$

素因数の和:241410

約数の個数: 28

約数和(自身を含む): 183942228

約数和(自身を除く): 106696468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 241393, 482786, 965572, 1206965, 1931144, 2413930, 3862288, 4827860, 7724576, 9655720, 15449152, 19311440, 38622880, 77245760]

約数ペア:

[(1, 77245760), (2, 38622880), (4, 19311440), (5, 15449152), (8, 9655720), (10, 7724576), (16, 4827860), (20, 3862288), (32, 2413930), (40, 1931144), (64, 1206965), (80, 965572), (160, 482786), (320, 241393)]