12448020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15959}}^1$

素因数の和:15984

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 25089900

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, 15959, 31918, 47877, 63836, 79795, 95754, 159590, 191508, 207467, 239385, 319180, 414934, 478770, 622401, 829868, 957540, 1037335, 1244802, 2074670, 2489604, 3112005, 4149340, 6224010, 12448020]

約数ペア:

[(1, 12448020), (2, 6224010), (3, 4149340), (4, 3112005), (5, 2489604), (6, 2074670), (10, 1244802), (12, 1037335), (13, 957540), (15, 829868), (20, 622401), (26, 478770), (30, 414934), (39, 319180), (52, 239385), (60, 207467), (65, 191508), (78, 159590), (130, 95754), (156, 79795), (195, 63836), (260, 47877), (390, 31918), (780, 15959)]