61580680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{219931}}^1$

素因数の和:219949

約数の個数: 32

約数和(自身を含む): 158351040

約数和(自身を除く): 96770360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 219931, 439862, 879724, 1099655, 1539517, 1759448, 2199310, 3079034, 4398620, 6158068, 7697585, 8797240, 12316136, 15395170, 30790340, 61580680]

約数ペア:

[(1, 61580680), (2, 30790340), (4, 15395170), (5, 12316136), (7, 8797240), (8, 7697585), (10, 6158068), (14, 4398620), (20, 3079034), (28, 2199310), (35, 1759448), (40, 1539517), (56, 1099655), (70, 879724), (140, 439862), (280, 219931)]