218082420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{7717}}^1$

素因数の和:7889

約数の個数: 72

約数和(自身を含む): 665816424

約数和(自身を除く): 447734004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 7065, 7717, 9420, 14130, 15434, 23151, 28260, 30868, 38585, 46302, 69453, 77170, 92604, 115755, 138906, 154340, 231510, 277812, 347265, 463020, 694530, 1211569, 1389060, 2423138, 3634707, 4846276, 6057845, 7269414, 10904121, 12115690, 14538828, 18173535, 21808242, 24231380, 36347070, 43616484, 54520605, 72694140, 109041210, 218082420]

約数ペア:

[(1, 218082420), (2, 109041210), (3, 72694140), (4, 54520605), (5, 43616484), (6, 36347070), (9, 24231380), (10, 21808242), (12, 18173535), (15, 14538828), (18, 12115690), (20, 10904121), (30, 7269414), (36, 6057845), (45, 4846276), (60, 3634707), (90, 2423138), (157, 1389060), (180, 1211569), (314, 694530), (471, 463020), (628, 347265), (785, 277812), (942, 231510), (1413, 154340), (1570, 138906), (1884, 115755), (2355, 92604), (2826, 77170), (3140, 69453), (4710, 46302), (5652, 38585), (7065, 30868), (7717, 28260), (9420, 23151), (14130, 15434)]