54906180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{130729}}^1$

素因数の和:130748

約数の個数: 48

約数和(自身を含む): 175701120

約数和(自身を除く): 120794940

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, 130729, 261458, 392187, 522916, 653645, 784374, 915103, 1307290, 1568748, 1830206, 1960935, 2614580, 2745309, 3660412, 3921870, 4575515, 5490618, 7843740, 9151030, 10981236, 13726545, 18302060, 27453090, 54906180]

約数ペア:

[(1, 54906180), (2, 27453090), (3, 18302060), (4, 13726545), (5, 10981236), (6, 9151030), (7, 7843740), (10, 5490618), (12, 4575515), (14, 3921870), (15, 3660412), (20, 2745309), (21, 2614580), (28, 1960935), (30, 1830206), (35, 1568748), (42, 1307290), (60, 915103), (70, 784374), (84, 653645), (105, 522916), (140, 392187), (210, 261458), (420, 130729)]