81279420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1487}}^1$

素因数の和:2410

約数の個数: 48

約数和(自身を含む): 227985408

約数和(自身を除く): 146705988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 911, 1487, 1822, 2733, 2974, 3644, 4461, 4555, 5466, 5948, 7435, 8922, 9110, 10932, 13665, 14870, 17844, 18220, 22305, 27330, 29740, 44610, 54660, 89220, 1354657, 2709314, 4063971, 5418628, 6773285, 8127942, 13546570, 16255884, 20319855, 27093140, 40639710, 81279420]

約数ペア:

[(1, 81279420), (2, 40639710), (3, 27093140), (4, 20319855), (5, 16255884), (6, 13546570), (10, 8127942), (12, 6773285), (15, 5418628), (20, 4063971), (30, 2709314), (60, 1354657), (911, 89220), (1487, 54660), (1822, 44610), (2733, 29740), (2974, 27330), (3644, 22305), (4461, 18220), (4555, 17844), (5466, 14870), (5948, 13665), (7435, 10932), (8922, 9110)]