221301180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{409817}}^1$

素因数の和:409835

約数の個数: 48

約数和(自身を含む): 688494240

約数和(自身を除く): 467193060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 409817, 819634, 1229451, 1639268, 2049085, 2458902, 3688353, 4098170, 4917804, 6147255, 7376706, 8196340, 11065059, 12294510, 14753412, 18441765, 22130118, 24589020, 36883530, 44260236, 55325295, 73767060, 110650590, 221301180]

約数ペア:

[(1, 221301180), (2, 110650590), (3, 73767060), (4, 55325295), (5, 44260236), (6, 36883530), (9, 24589020), (10, 22130118), (12, 18441765), (15, 14753412), (18, 12294510), (20, 11065059), (27, 8196340), (30, 7376706), (36, 6147255), (45, 4917804), (54, 4098170), (60, 3688353), (90, 2458902), (108, 2049085), (135, 1639268), (180, 1229451), (270, 819634), (540, 409817)]