12813780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30509}}^1$

素因数の和:30528

約数の個数: 48

約数和(自身を含む): 41005440

約数和(自身を除く): 28191660

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, 30509, 61018, 91527, 122036, 152545, 183054, 213563, 305090, 366108, 427126, 457635, 610180, 640689, 854252, 915270, 1067815, 1281378, 1830540, 2135630, 2562756, 3203445, 4271260, 6406890, 12813780]

約数ペア:

[(1, 12813780), (2, 6406890), (3, 4271260), (4, 3203445), (5, 2562756), (6, 2135630), (7, 1830540), (10, 1281378), (12, 1067815), (14, 915270), (15, 854252), (20, 640689), (21, 610180), (28, 457635), (30, 427126), (35, 366108), (42, 305090), (60, 213563), (70, 183054), (84, 152545), (105, 122036), (140, 91527), (210, 61018), (420, 30509)]