13240980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73561}}^1$

素因数の和:73576

約数の個数: 36

約数和(自身を含む): 40164852

約数和(自身を除く): 26923872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 73561, 147122, 220683, 294244, 367805, 441366, 662049, 735610, 882732, 1103415, 1324098, 1471220, 2206830, 2648196, 3310245, 4413660, 6620490, 13240980]

約数ペア:

[(1, 13240980), (2, 6620490), (3, 4413660), (4, 3310245), (5, 2648196), (6, 2206830), (9, 1471220), (10, 1324098), (12, 1103415), (15, 882732), (18, 735610), (20, 662049), (30, 441366), (36, 367805), (45, 294244), (60, 220683), (90, 147122), (180, 73561)]