278838120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211241}}^1$

素因数の和:211266

約数の個数: 64

約数和(自身を含む): 912565440

約数和(自身を除く): 633727320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 211241, 422482, 633723, 844964, 1056205, 1267446, 1689928, 2112410, 2323651, 2534892, 3168615, 4224820, 4647302, 5069784, 6337230, 6970953, 8449640, 9294604, 11618255, 12674460, 13941906, 18589208, 23236510, 25348920, 27883812, 34854765, 46473020, 55767624, 69709530, 92946040, 139419060, 278838120]

約数ペア:

[(1, 278838120), (2, 139419060), (3, 92946040), (4, 69709530), (5, 55767624), (6, 46473020), (8, 34854765), (10, 27883812), (11, 25348920), (12, 23236510), (15, 18589208), (20, 13941906), (22, 12674460), (24, 11618255), (30, 9294604), (33, 8449640), (40, 6970953), (44, 6337230), (55, 5069784), (60, 4647302), (66, 4224820), (88, 3168615), (110, 2534892), (120, 2323651), (132, 2112410), (165, 1689928), (220, 1267446), (264, 1056205), (330, 844964), (440, 633723), (660, 422482), (1320, 211241)]