1520408540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{25919}}^1$

素因数の和:26354

約数の個数: 48

約数和(自身を含む): 3657830400

約数和(自身を除く): 2137421860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 1676, 2095, 2933, 4190, 5866, 8380, 11732, 14665, 25919, 29330, 51838, 58660, 103676, 129595, 181433, 259190, 362866, 518380, 725732, 907165, 1814330, 3628660, 10860061, 21720122, 43440244, 54300305, 76020427, 108600610, 152040854, 217201220, 304081708, 380102135, 760204270, 1520408540]

約数ペア:

[(1, 1520408540), (2, 760204270), (4, 380102135), (5, 304081708), (7, 217201220), (10, 152040854), (14, 108600610), (20, 76020427), (28, 54300305), (35, 43440244), (70, 21720122), (140, 10860061), (419, 3628660), (838, 1814330), (1676, 907165), (2095, 725732), (2933, 518380), (4190, 362866), (5866, 259190), (8380, 181433), (11732, 129595), (14665, 103676), (25919, 58660), (29330, 51838)]