305866680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{364127}}^1$

素因数の和:364148

約数の個数: 64

約数和(自身を含む): 1048688640

約数和(自身を除く): 742821960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 364127, 728254, 1092381, 1456508, 1820635, 2184762, 2548889, 2913016, 3641270, 4369524, 5097778, 5461905, 7282540, 7646667, 8739048, 10195556, 10923810, 12744445, 14565080, 15293334, 20391112, 21847620, 25488890, 30586668, 38233335, 43695240, 50977780, 61173336, 76466670, 101955560, 152933340, 305866680]

約数ペア:

[(1, 305866680), (2, 152933340), (3, 101955560), (4, 76466670), (5, 61173336), (6, 50977780), (7, 43695240), (8, 38233335), (10, 30586668), (12, 25488890), (14, 21847620), (15, 20391112), (20, 15293334), (21, 14565080), (24, 12744445), (28, 10923810), (30, 10195556), (35, 8739048), (40, 7646667), (42, 7282540), (56, 5461905), (60, 5097778), (70, 4369524), (84, 3641270), (105, 2913016), (120, 2548889), (140, 2184762), (168, 1820635), (210, 1456508), (280, 1092381), (420, 728254), (840, 364127)]