56552220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1489}}^1$

素因数の和:1715

約数の個数: 72

約数和(自身を含む): 172470480

約数和(自身を除く): 115918260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1489, 1899, 2110, 2532, 2978, 3165, 3798, 4220, 4467, 5956, 6330, 7445, 7596, 8934, 9495, 12660, 13401, 14890, 17868, 18990, 22335, 26802, 29780, 37980, 44670, 53604, 67005, 89340, 134010, 268020, 314179, 628358, 942537, 1256716, 1570895, 1885074, 2827611, 3141790, 3770148, 4712685, 5655222, 6283580, 9425370, 11310444, 14138055, 18850740, 28276110, 56552220]

約数ペア:

[(1, 56552220), (2, 28276110), (3, 18850740), (4, 14138055), (5, 11310444), (6, 9425370), (9, 6283580), (10, 5655222), (12, 4712685), (15, 3770148), (18, 3141790), (20, 2827611), (30, 1885074), (36, 1570895), (45, 1256716), (60, 942537), (90, 628358), (180, 314179), (211, 268020), (422, 134010), (633, 89340), (844, 67005), (1055, 53604), (1266, 44670), (1489, 37980), (1899, 29780), (2110, 26802), (2532, 22335), (2978, 18990), (3165, 17868), (3798, 14890), (4220, 13401), (4467, 12660), (5956, 9495), (6330, 8934), (7445, 7596)]