131829180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{313879}}^1$

素因数の和:313898

約数の個数: 48

約数和(自身を含む): 421854720

約数和(自身を除く): 290025540

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, 313879, 627758, 941637, 1255516, 1569395, 1883274, 2197153, 3138790, 3766548, 4394306, 4708185, 6277580, 6591459, 8788612, 9416370, 10985765, 13182918, 18832740, 21971530, 26365836, 32957295, 43943060, 65914590, 131829180]

約数ペア:

[(1, 131829180), (2, 65914590), (3, 43943060), (4, 32957295), (5, 26365836), (6, 21971530), (7, 18832740), (10, 13182918), (12, 10985765), (14, 9416370), (15, 8788612), (20, 6591459), (21, 6277580), (28, 4708185), (30, 4394306), (35, 3766548), (42, 3138790), (60, 2197153), (70, 1883274), (84, 1569395), (105, 1255516), (140, 941637), (210, 627758), (420, 313879)]