2557740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 7322112

約数和(自身を除く): 4764372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 907, 940, 1410, 1814, 2721, 2820, 3628, 4535, 5442, 9070, 10884, 13605, 18140, 27210, 42629, 54420, 85258, 127887, 170516, 213145, 255774, 426290, 511548, 639435, 852580, 1278870, 2557740]

約数ペア:

[(1, 2557740), (2, 1278870), (3, 852580), (4, 639435), (5, 511548), (6, 426290), (10, 255774), (12, 213145), (15, 170516), (20, 127887), (30, 85258), (47, 54420), (60, 42629), (94, 27210), (141, 18140), (188, 13605), (235, 10884), (282, 9070), (470, 5442), (564, 4535), (705, 3628), (907, 2820), (940, 2721), (1410, 1814)]