7500030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 18552240

約数和(自身を除く): 11052210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 89, 106, 159, 178, 265, 267, 318, 445, 530, 534, 795, 890, 1335, 1590, 2670, 2809, 4717, 5618, 8427, 9434, 14045, 14151, 16854, 23585, 28090, 28302, 42135, 47170, 70755, 84270, 141510, 250001, 500002, 750003, 1250005, 1500006, 2500010, 3750015, 7500030]

約数ペア:

[(1, 7500030), (2, 3750015), (3, 2500010), (5, 1500006), (6, 1250005), (10, 750003), (15, 500002), (30, 250001), (53, 141510), (89, 84270), (106, 70755), (159, 47170), (178, 42135), (265, 28302), (267, 28090), (318, 23585), (445, 16854), (530, 14151), (534, 14045), (795, 9434), (890, 8427), (1335, 5618), (1590, 4717), (2670, 2809)]