1444240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2579}}^1$

素因数の和:2599

約数の個数: 40

約数和(自身を含む): 3839040

約数和(自身を除く): 2394800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2579, 5158, 10316, 12895, 18053, 20632, 25790, 36106, 41264, 51580, 72212, 90265, 103160, 144424, 180530, 206320, 288848, 361060, 722120, 1444240]

約数ペア:

[(1, 1444240), (2, 722120), (4, 361060), (5, 288848), (7, 206320), (8, 180530), (10, 144424), (14, 103160), (16, 90265), (20, 72212), (28, 51580), (35, 41264), (40, 36106), (56, 25790), (70, 20632), (80, 18053), (112, 12895), (140, 10316), (280, 5158), (560, 2579)]