78900720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{328753}}^1$

素因数の和:328769

約数の個数: 40

約数和(自身を含む): 244592976

約数和(自身を除く): 165692256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 328753, 657506, 986259, 1315012, 1643765, 1972518, 2630024, 3287530, 3945036, 4931295, 5260048, 6575060, 7890072, 9862590, 13150120, 15780144, 19725180, 26300240, 39450360, 78900720]

約数ペア:

[(1, 78900720), (2, 39450360), (3, 26300240), (4, 19725180), (5, 15780144), (6, 13150120), (8, 9862590), (10, 7890072), (12, 6575060), (15, 5260048), (16, 4931295), (20, 3945036), (24, 3287530), (30, 2630024), (40, 1972518), (48, 1643765), (60, 1315012), (80, 986259), (120, 657506), (240, 328753)]