1372020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1759}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 4139520

約数和(自身を除く): 2767500

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, 1759, 3518, 5277, 7036, 8795, 10554, 17590, 21108, 22867, 26385, 35180, 45734, 52770, 68601, 91468, 105540, 114335, 137202, 228670, 274404, 343005, 457340, 686010, 1372020]

約数ペア:

[(1, 1372020), (2, 686010), (3, 457340), (4, 343005), (5, 274404), (6, 228670), (10, 137202), (12, 114335), (13, 105540), (15, 91468), (20, 68601), (26, 52770), (30, 45734), (39, 35180), (52, 26385), (60, 22867), (65, 21108), (78, 17590), (130, 10554), (156, 8795), (195, 7036), (260, 5277), (390, 3518), (780, 1759)]