22500090

素因数分解:

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

素因数の和:208

約数の個数: 72

約数和(自身を含む): 60294780

約数和(自身を除く): 37794690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 89, 90, 106, 159, 178, 265, 267, 318, 445, 477, 530, 534, 795, 801, 890, 954, 1335, 1590, 1602, 2385, 2670, 2809, 4005, 4717, 4770, 5618, 8010, 8427, 9434, 14045, 14151, 16854, 23585, 25281, 28090, 28302, 42135, 42453, 47170, 50562, 70755, 84270, 84906, 126405, 141510, 212265, 250001, 252810, 424530, 500002, 750003, 1250005, 1500006, 2250009, 2500010, 3750015, 4500018, 7500030, 11250045, 22500090]

約数ペア:

[(1, 22500090), (2, 11250045), (3, 7500030), (5, 4500018), (6, 3750015), (9, 2500010), (10, 2250009), (15, 1500006), (18, 1250005), (30, 750003), (45, 500002), (53, 424530), (89, 252810), (90, 250001), (106, 212265), (159, 141510), (178, 126405), (265, 84906), (267, 84270), (318, 70755), (445, 50562), (477, 47170), (530, 42453), (534, 42135), (795, 28302), (801, 28090), (890, 25281), (954, 23585), (1335, 16854), (1590, 14151), (1602, 14045), (2385, 9434), (2670, 8427), (2809, 8010), (4005, 5618), (4717, 4770)]