31781670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 81694656

約数和(自身を除く): 49912986

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 101, 102, 170, 202, 255, 303, 505, 510, 606, 617, 1010, 1234, 1515, 1717, 1851, 3030, 3085, 3434, 3702, 5151, 6170, 8585, 9255, 10302, 10489, 17170, 18510, 20978, 25755, 31467, 51510, 52445, 62317, 62934, 104890, 124634, 157335, 186951, 311585, 314670, 373902, 623170, 934755, 1059389, 1869510, 2118778, 3178167, 5296945, 6356334, 10593890, 15890835, 31781670]

約数ペア:

[(1, 31781670), (2, 15890835), (3, 10593890), (5, 6356334), (6, 5296945), (10, 3178167), (15, 2118778), (17, 1869510), (30, 1059389), (34, 934755), (51, 623170), (85, 373902), (101, 314670), (102, 311585), (170, 186951), (202, 157335), (255, 124634), (303, 104890), (505, 62934), (510, 62317), (606, 52445), (617, 51510), (1010, 31467), (1234, 25755), (1515, 20978), (1717, 18510), (1851, 17170), (3030, 10489), (3085, 10302), (3434, 9255), (3702, 8585), (5151, 6170)]