28270980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157061}}^1$

素因数の和:157076

約数の個数: 36

約数和(自身を含む): 85755852

約数和(自身を除く): 57484872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157061, 314122, 471183, 628244, 785305, 942366, 1413549, 1570610, 1884732, 2355915, 2827098, 3141220, 4711830, 5654196, 7067745, 9423660, 14135490, 28270980]

約数ペア:

[(1, 28270980), (2, 14135490), (3, 9423660), (4, 7067745), (5, 5654196), (6, 4711830), (9, 3141220), (10, 2827098), (12, 2355915), (15, 1884732), (18, 1570610), (20, 1413549), (30, 942366), (36, 785305), (45, 628244), (60, 471183), (90, 314122), (180, 157061)]