131987760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{549949}}^1$

素因数の和:549965

約数の個数: 40

約数和(自身を含む): 409162800

約数和(自身を除く): 277175040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 549949, 1099898, 1649847, 2199796, 2749745, 3299694, 4399592, 5499490, 6599388, 8249235, 8799184, 10998980, 13198776, 16498470, 21997960, 26397552, 32996940, 43995920, 65993880, 131987760]

約数ペア:

[(1, 131987760), (2, 65993880), (3, 43995920), (4, 32996940), (5, 26397552), (6, 21997960), (8, 16498470), (10, 13198776), (12, 10998980), (15, 8799184), (16, 8249235), (20, 6599388), (24, 5499490), (30, 4399592), (40, 3299694), (48, 2749745), (60, 2199796), (80, 1649847), (120, 1099898), (240, 549949)]