1272813780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3030509}}^1$

素因数の和:3030528

約数の個数: 48

約数和(自身を含む): 4073005440

約数和(自身を除く): 2800191660

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, 3030509, 6061018, 9091527, 12122036, 15152545, 18183054, 21213563, 30305090, 36366108, 42427126, 45457635, 60610180, 63640689, 84854252, 90915270, 106067815, 127281378, 181830540, 212135630, 254562756, 318203445, 424271260, 636406890, 1272813780]

約数ペア:

[(1, 1272813780), (2, 636406890), (3, 424271260), (4, 318203445), (5, 254562756), (6, 212135630), (7, 181830540), (10, 127281378), (12, 106067815), (14, 90915270), (15, 84854252), (20, 63640689), (21, 60610180), (28, 45457635), (30, 42427126), (35, 36366108), (42, 30305090), (60, 21213563), (70, 18183054), (84, 15152545), (105, 12122036), (140, 9091527), (210, 6061018), (420, 3030509)]