56157780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{133709}}^1$

素因数の和:133728

約数の個数: 48

約数和(自身を含む): 179706240

約数和(自身を除く): 123548460

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, 133709, 267418, 401127, 534836, 668545, 802254, 935963, 1337090, 1604508, 1871926, 2005635, 2674180, 2807889, 3743852, 4011270, 4679815, 5615778, 8022540, 9359630, 11231556, 14039445, 18719260, 28078890, 56157780]

約数ペア:

[(1, 56157780), (2, 28078890), (3, 18719260), (4, 14039445), (5, 11231556), (6, 9359630), (7, 8022540), (10, 5615778), (12, 4679815), (14, 4011270), (15, 3743852), (20, 2807889), (21, 2674180), (28, 2005635), (30, 1871926), (35, 1604508), (42, 1337090), (60, 935963), (70, 802254), (84, 668545), (105, 534836), (140, 401127), (210, 267418), (420, 133709)]