138358980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12601}}^1$

素因数の和:12677

約数の個数: 72

約数和(自身を含む): 426602904

約数和(自身を除く): 288243924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 12601, 25202, 37803, 50404, 63005, 75606, 113409, 126010, 151212, 189015, 226818, 252020, 378030, 453636, 567045, 756060, 768661, 1134090, 1537322, 2268180, 2305983, 3074644, 3843305, 4611966, 6917949, 7686610, 9223932, 11529915, 13835898, 15373220, 23059830, 27671796, 34589745, 46119660, 69179490, 138358980]

約数ペア:

[(1, 138358980), (2, 69179490), (3, 46119660), (4, 34589745), (5, 27671796), (6, 23059830), (9, 15373220), (10, 13835898), (12, 11529915), (15, 9223932), (18, 7686610), (20, 6917949), (30, 4611966), (36, 3843305), (45, 3074644), (60, 2305983), (61, 2268180), (90, 1537322), (122, 1134090), (180, 768661), (183, 756060), (244, 567045), (305, 453636), (366, 378030), (549, 252020), (610, 226818), (732, 189015), (915, 151212), (1098, 126010), (1220, 113409), (1830, 75606), (2196, 63005), (2745, 50404), (3660, 37803), (5490, 25202), (10980, 12601)]