128642920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{24181}}^1$

素因数の和:24218

約数の個数: 64

約数和(自身を含む): 348220800

約数和(自身を除く): 219577880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 24181, 48362, 96724, 120905, 169267, 193448, 241810, 338534, 459439, 483620, 677068, 846335, 918878, 967240, 1354136, 1692670, 1837756, 2297195, 3216073, 3385340, 3675512, 4594390, 6432146, 6770680, 9188780, 12864292, 16080365, 18377560, 25728584, 32160730, 64321460, 128642920]

約数ペア:

[(1, 128642920), (2, 64321460), (4, 32160730), (5, 25728584), (7, 18377560), (8, 16080365), (10, 12864292), (14, 9188780), (19, 6770680), (20, 6432146), (28, 4594390), (35, 3675512), (38, 3385340), (40, 3216073), (56, 2297195), (70, 1837756), (76, 1692670), (95, 1354136), (133, 967240), (140, 918878), (152, 846335), (190, 677068), (266, 483620), (280, 459439), (380, 338534), (532, 241810), (665, 193448), (760, 169267), (1064, 120905), (1330, 96724), (2660, 48362), (5320, 24181)]