420180180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1000429}}^1$

素因数の和:1000448

約数の個数: 48

約数和(自身を含む): 1344577920

約数和(自身を除く): 924397740

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, 1000429, 2000858, 3001287, 4001716, 5002145, 6002574, 7003003, 10004290, 12005148, 14006006, 15006435, 20008580, 21009009, 28012012, 30012870, 35015015, 42018018, 60025740, 70030030, 84036036, 105045045, 140060060, 210090090, 420180180]

約数ペア:

[(1, 420180180), (2, 210090090), (3, 140060060), (4, 105045045), (5, 84036036), (6, 70030030), (7, 60025740), (10, 42018018), (12, 35015015), (14, 30012870), (15, 28012012), (20, 21009009), (21, 20008580), (28, 15006435), (30, 14006006), (35, 12005148), (42, 10004290), (60, 7003003), (70, 6002574), (84, 5002145), (105, 4001716), (140, 3001287), (210, 2000858), (420, 1000429)]