320120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 738720

約数和(自身を除く): 418600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 151, 212, 265, 302, 424, 530, 604, 755, 1060, 1208, 1510, 2120, 3020, 6040, 8003, 16006, 32012, 40015, 64024, 80030, 160060, 320120]

約数ペア:

[(1, 320120), (2, 160060), (4, 80030), (5, 64024), (8, 40015), (10, 32012), (20, 16006), (40, 8003), (53, 6040), (106, 3020), (151, 2120), (212, 1510), (265, 1208), (302, 1060), (424, 755), (530, 604)]