860040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{2389}}^1$

素因数の和:2406

約数の個数: 48

約数和(自身を含む): 2796300

約数和(自身を除く): 1936260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 2389, 4778, 7167, 9556, 11945, 14334, 19112, 21501, 23890, 28668, 35835, 43002, 47780, 57336, 71670, 86004, 95560, 107505, 143340, 172008, 215010, 286680, 430020, 860040]

約数ペア:

[(1, 860040), (2, 430020), (3, 286680), (4, 215010), (5, 172008), (6, 143340), (8, 107505), (9, 95560), (10, 86004), (12, 71670), (15, 57336), (18, 47780), (20, 43002), (24, 35835), (30, 28668), (36, 23890), (40, 21501), (45, 19112), (60, 14334), (72, 11945), (90, 9556), (120, 7167), (180, 4778), (360, 2389)]