128057220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{237143}}^1$

素因数の和:237161

約数の個数: 48

約数和(自身を含む): 398401920

約数和(自身を除く): 270344700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 237143, 474286, 711429, 948572, 1185715, 1422858, 2134287, 2371430, 2845716, 3557145, 4268574, 4742860, 6402861, 7114290, 8537148, 10671435, 12805722, 14228580, 21342870, 25611444, 32014305, 42685740, 64028610, 128057220]

約数ペア:

[(1, 128057220), (2, 64028610), (3, 42685740), (4, 32014305), (5, 25611444), (6, 21342870), (9, 14228580), (10, 12805722), (12, 10671435), (15, 8537148), (18, 7114290), (20, 6402861), (27, 4742860), (30, 4268574), (36, 3557145), (45, 2845716), (54, 2371430), (60, 2134287), (90, 1422858), (108, 1185715), (135, 948572), (180, 711429), (270, 474286), (540, 237143)]