1340340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 3810240

約数和(自身を除く): 2469900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 251, 267, 356, 445, 502, 534, 753, 890, 1004, 1068, 1255, 1335, 1506, 1780, 2510, 2670, 3012, 3765, 5020, 5340, 7530, 15060, 22339, 44678, 67017, 89356, 111695, 134034, 223390, 268068, 335085, 446780, 670170, 1340340]

約数ペア:

[(1, 1340340), (2, 670170), (3, 446780), (4, 335085), (5, 268068), (6, 223390), (10, 134034), (12, 111695), (15, 89356), (20, 67017), (30, 44678), (60, 22339), (89, 15060), (178, 7530), (251, 5340), (267, 5020), (356, 3765), (445, 3012), (502, 2670), (534, 2510), (753, 1780), (890, 1506), (1004, 1335), (1068, 1255)]