31044420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15679}}^1$

素因数の和:15705

約数の個数: 72

約数和(自身を含む): 102735360

約数和(自身を除く): 71690940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15679, 31358, 47037, 62716, 78395, 94074, 141111, 156790, 172469, 188148, 235185, 282222, 313580, 344938, 470370, 517407, 564444, 689876, 705555, 862345, 940740, 1034814, 1411110, 1552221, 1724690, 2069628, 2587035, 2822220, 3104442, 3449380, 5174070, 6208884, 7761105, 10348140, 15522210, 31044420]

約数ペア:

[(1, 31044420), (2, 15522210), (3, 10348140), (4, 7761105), (5, 6208884), (6, 5174070), (9, 3449380), (10, 3104442), (11, 2822220), (12, 2587035), (15, 2069628), (18, 1724690), (20, 1552221), (22, 1411110), (30, 1034814), (33, 940740), (36, 862345), (44, 705555), (45, 689876), (55, 564444), (60, 517407), (66, 470370), (90, 344938), (99, 313580), (110, 282222), (132, 235185), (165, 188148), (180, 172469), (198, 156790), (220, 141111), (330, 94074), (396, 78395), (495, 62716), (660, 47037), (990, 31358), (1980, 15679)]