8720280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{24223}}^1$

素因数の和:24240

約数の個数: 48

約数和(自身を含む): 28342080

約数和(自身を除く): 19621800

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, 24223, 48446, 72669, 96892, 121115, 145338, 193784, 218007, 242230, 290676, 363345, 436014, 484460, 581352, 726690, 872028, 968920, 1090035, 1453380, 1744056, 2180070, 2906760, 4360140, 8720280]

約数ペア:

[(1, 8720280), (2, 4360140), (3, 2906760), (4, 2180070), (5, 1744056), (6, 1453380), (8, 1090035), (9, 968920), (10, 872028), (12, 726690), (15, 581352), (18, 484460), (20, 436014), (24, 363345), (30, 290676), (36, 242230), (40, 218007), (45, 193784), (60, 145338), (72, 121115), (90, 96892), (120, 72669), (180, 48446), (360, 24223)]