31821780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2113}}^1$

素因数の和:2376

約数の個数: 48

約数和(自身を含む): 89498304

約数和(自身を除く): 57676524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1506, 2113, 2510, 3012, 3765, 4226, 5020, 6339, 7530, 8452, 10565, 12678, 15060, 21130, 25356, 31695, 42260, 63390, 126780, 530363, 1060726, 1591089, 2121452, 2651815, 3182178, 5303630, 6364356, 7955445, 10607260, 15910890, 31821780]

約数ペア:

[(1, 31821780), (2, 15910890), (3, 10607260), (4, 7955445), (5, 6364356), (6, 5303630), (10, 3182178), (12, 2651815), (15, 2121452), (20, 1591089), (30, 1060726), (60, 530363), (251, 126780), (502, 63390), (753, 42260), (1004, 31695), (1255, 25356), (1506, 21130), (2113, 15060), (2510, 12678), (3012, 10565), (3765, 8452), (4226, 7530), (5020, 6339)]