30220812

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 79724736

約数和(自身を除く): 49503924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 53, 94, 106, 141, 159, 188, 212, 282, 318, 337, 423, 477, 564, 636, 674, 846, 954, 1011, 1348, 1692, 1908, 2022, 2491, 3033, 4044, 4982, 6066, 7473, 9964, 12132, 14946, 15839, 17861, 22419, 29892, 31678, 35722, 44838, 47517, 53583, 63356, 71444, 89676, 95034, 107166, 142551, 160749, 190068, 214332, 285102, 321498, 570204, 642996, 839467, 1678934, 2518401, 3357868, 5036802, 7555203, 10073604, 15110406, 30220812]

約数ペア:

[(1, 30220812), (2, 15110406), (3, 10073604), (4, 7555203), (6, 5036802), (9, 3357868), (12, 2518401), (18, 1678934), (36, 839467), (47, 642996), (53, 570204), (94, 321498), (106, 285102), (141, 214332), (159, 190068), (188, 160749), (212, 142551), (282, 107166), (318, 95034), (337, 89676), (423, 71444), (477, 63356), (564, 53583), (636, 47517), (674, 44838), (846, 35722), (954, 31678), (1011, 29892), (1348, 22419), (1692, 17861), (1908, 15839), (2022, 14946), (2491, 12132), (3033, 9964), (4044, 7473), (4982, 6066)]