2542020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3259}}^1$

素因数の和:3284

約数の個数: 48

約数和(自身を含む): 7667520

約数和(自身を除く): 5125500

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, 3259, 6518, 9777, 13036, 16295, 19554, 32590, 39108, 42367, 48885, 65180, 84734, 97770, 127101, 169468, 195540, 211835, 254202, 423670, 508404, 635505, 847340, 1271010, 2542020]

約数ペア:

[(1, 2542020), (2, 1271010), (3, 847340), (4, 635505), (5, 508404), (6, 423670), (10, 254202), (12, 211835), (13, 195540), (15, 169468), (20, 127101), (26, 97770), (30, 84734), (39, 65180), (52, 48885), (60, 42367), (65, 39108), (78, 32590), (130, 19554), (156, 16295), (195, 13036), (260, 9777), (390, 6518), (780, 3259)]