54109020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{128831}}^1$

素因数の和:128850

約数の個数: 48

約数和(自身を含む): 173150208

約数和(自身を除く): 119041188

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, 128831, 257662, 386493, 515324, 644155, 772986, 901817, 1288310, 1545972, 1803634, 1932465, 2576620, 2705451, 3607268, 3864930, 4509085, 5410902, 7729860, 9018170, 10821804, 13527255, 18036340, 27054510, 54109020]

約数ペア:

[(1, 54109020), (2, 27054510), (3, 18036340), (4, 13527255), (5, 10821804), (6, 9018170), (7, 7729860), (10, 5410902), (12, 4509085), (14, 3864930), (15, 3607268), (20, 2705451), (21, 2576620), (28, 1932465), (30, 1803634), (35, 1545972), (42, 1288310), (60, 901817), (70, 772986), (84, 644155), (105, 515324), (140, 386493), (210, 257662), (420, 128831)]