7726492020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9905759}}^1$

素因数の和:9905784

約数の個数: 48

約数和(自身を含む): 23298347520

約数和(自身を除く): 15571855500

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, 9905759, 19811518, 29717277, 39623036, 49528795, 59434554, 99057590, 118869108, 128774867, 148586385, 198115180, 257549734, 297172770, 386324601, 515099468, 594345540, 643874335, 772649202, 1287748670, 1545298404, 1931623005, 2575497340, 3863246010, 7726492020]

約数ペア:

[(1, 7726492020), (2, 3863246010), (3, 2575497340), (4, 1931623005), (5, 1545298404), (6, 1287748670), (10, 772649202), (12, 643874335), (13, 594345540), (15, 515099468), (20, 386324601), (26, 297172770), (30, 257549734), (39, 198115180), (52, 148586385), (60, 128774867), (65, 118869108), (78, 99057590), (130, 59434554), (156, 49528795), (195, 39623036), (260, 29717277), (390, 19811518), (780, 9905759)]