31155780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1471}}^1$

素因数の和:1836

約数の個数: 48

約数和(自身を含む): 87542784

約数和(自身を除く): 56387004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353, 706, 1059, 1412, 1471, 1765, 2118, 2942, 3530, 4236, 4413, 5295, 5884, 7060, 7355, 8826, 10590, 14710, 17652, 21180, 22065, 29420, 44130, 88260, 519263, 1038526, 1557789, 2077052, 2596315, 3115578, 5192630, 6231156, 7788945, 10385260, 15577890, 31155780]

約数ペア:

[(1, 31155780), (2, 15577890), (3, 10385260), (4, 7788945), (5, 6231156), (6, 5192630), (10, 3115578), (12, 2596315), (15, 2077052), (20, 1557789), (30, 1038526), (60, 519263), (353, 88260), (706, 44130), (1059, 29420), (1412, 22065), (1471, 21180), (1765, 17652), (2118, 14710), (2942, 10590), (3530, 8826), (4236, 7355), (4413, 7060), (5295, 5884)]