66427480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1811}}^1$

素因数の和:1960

約数の個数: 64

約数和(自身を含む): 172212480

約数和(自身を除く): 105785000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1811, 1834, 2620, 3622, 3668, 4585, 5240, 7244, 7336, 9055, 9170, 12677, 14488, 18110, 18340, 25354, 36220, 36680, 50708, 63385, 72440, 101416, 126770, 237241, 253540, 474482, 507080, 948964, 1186205, 1660687, 1897928, 2372410, 3321374, 4744820, 6642748, 8303435, 9489640, 13285496, 16606870, 33213740, 66427480]

約数ペア:

[(1, 66427480), (2, 33213740), (4, 16606870), (5, 13285496), (7, 9489640), (8, 8303435), (10, 6642748), (14, 4744820), (20, 3321374), (28, 2372410), (35, 1897928), (40, 1660687), (56, 1186205), (70, 948964), (131, 507080), (140, 474482), (262, 253540), (280, 237241), (524, 126770), (655, 101416), (917, 72440), (1048, 63385), (1310, 50708), (1811, 36680), (1834, 36220), (2620, 25354), (3622, 18340), (3668, 18110), (4585, 14488), (5240, 12677), (7244, 9170), (7336, 9055)]