51420420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31741}}^1$

素因数の和:31762

約数の個数: 60

約数和(自身を含む): 161312844

約数和(自身を除く): 109892424

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 31741, 63482, 95223, 126964, 158705, 190446, 285669, 317410, 380892, 476115, 571338, 634820, 857007, 952230, 1142676, 1428345, 1714014, 1904460, 2571021, 2856690, 3428028, 4285035, 5142042, 5713380, 8570070, 10284084, 12855105, 17140140, 25710210, 51420420]

約数ペア:

[(1, 51420420), (2, 25710210), (3, 17140140), (4, 12855105), (5, 10284084), (6, 8570070), (9, 5713380), (10, 5142042), (12, 4285035), (15, 3428028), (18, 2856690), (20, 2571021), (27, 1904460), (30, 1714014), (36, 1428345), (45, 1142676), (54, 952230), (60, 857007), (81, 634820), (90, 571338), (108, 476115), (135, 380892), (162, 317410), (180, 285669), (270, 190446), (324, 158705), (405, 126964), (540, 95223), (810, 63482), (1620, 31741)]