2578492020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3305759}}^1$

素因数の和:3305784

約数の個数: 48

約数和(自身を含む): 7775147520

約数和(自身を除く): 5196655500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 3305759, 6611518, 9917277, 13223036, 16528795, 19834554, 33057590, 39669108, 42974867, 49586385, 66115180, 85949734, 99172770, 128924601, 171899468, 198345540, 214874335, 257849202, 429748670, 515698404, 644623005, 859497340, 1289246010, 2578492020]

約数ペア:

[(1, 2578492020), (2, 1289246010), (3, 859497340), (4, 644623005), (5, 515698404), (6, 429748670), (10, 257849202), (12, 214874335), (13, 198345540), (15, 171899468), (20, 128924601), (26, 99172770), (30, 85949734), (39, 66115180), (52, 49586385), (60, 42974867), (65, 39669108), (78, 33057590), (130, 19834554), (156, 16528795), (195, 13223036), (260, 9917277), (390, 6611518), (780, 3305759)]