127743420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{304151}}^1$

素因数の和:304170

約数の個数: 48

約数和(自身を含む): 408780288

約数和(自身を除く): 281036868

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, 304151, 608302, 912453, 1216604, 1520755, 1824906, 2129057, 3041510, 3649812, 4258114, 4562265, 6083020, 6387171, 8516228, 9124530, 10645285, 12774342, 18249060, 21290570, 25548684, 31935855, 42581140, 63871710, 127743420]

約数ペア:

[(1, 127743420), (2, 63871710), (3, 42581140), (4, 31935855), (5, 25548684), (6, 21290570), (7, 18249060), (10, 12774342), (12, 10645285), (14, 9124530), (15, 8516228), (20, 6387171), (21, 6083020), (28, 4562265), (30, 4258114), (35, 3649812), (42, 3041510), (60, 2129057), (70, 1824906), (84, 1520755), (105, 1216604), (140, 912453), (210, 608302), (420, 304151)]