12125820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{28871}}^1$

素因数の和:28890

約数の個数: 48

約数和(自身を含む): 38803968

約数和(自身を除く): 26678148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 28871, 57742, 86613, 115484, 144355, 173226, 202097, 288710, 346452, 404194, 433065, 577420, 606291, 808388, 866130, 1010485, 1212582, 1732260, 2020970, 2425164, 3031455, 4041940, 6062910, 12125820]

約数ペア:

[(1, 12125820), (2, 6062910), (3, 4041940), (4, 3031455), (5, 2425164), (6, 2020970), (7, 1732260), (10, 1212582), (12, 1010485), (14, 866130), (15, 808388), (20, 606291), (21, 577420), (28, 433065), (30, 404194), (35, 346452), (42, 288710), (60, 202097), (70, 173226), (84, 144355), (105, 115484), (140, 86613), (210, 57742), (420, 28871)]