31257030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{593}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 86220288

約数和(自身を除く): 54963258

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 251, 502, 593, 753, 1186, 1255, 1506, 1757, 1779, 2510, 2965, 3514, 3558, 3765, 4151, 5271, 5930, 7530, 8302, 8785, 8895, 10542, 12453, 17570, 17790, 20755, 24906, 26355, 41510, 52710, 62265, 124530, 148843, 297686, 446529, 744215, 893058, 1041901, 1488430, 2083802, 2232645, 3125703, 4465290, 5209505, 6251406, 10419010, 15628515, 31257030]

約数ペア:

[(1, 31257030), (2, 15628515), (3, 10419010), (5, 6251406), (6, 5209505), (7, 4465290), (10, 3125703), (14, 2232645), (15, 2083802), (21, 1488430), (30, 1041901), (35, 893058), (42, 744215), (70, 446529), (105, 297686), (210, 148843), (251, 124530), (502, 62265), (593, 52710), (753, 41510), (1186, 26355), (1255, 24906), (1506, 20755), (1757, 17790), (1779, 17570), (2510, 12453), (2965, 10542), (3514, 8895), (3558, 8785), (3765, 8302), (4151, 7530), (5271, 5930)]