2880405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2$

素因数の和:79

約数の個数: 54

約数和(自身を含む): 5736822

約数和(自身を除く): 2856417

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 121, 165, 207, 253, 345, 363, 495, 529, 605, 759, 1035, 1089, 1265, 1587, 1815, 2277, 2645, 2783, 3795, 4761, 5445, 5819, 7935, 8349, 11385, 13915, 17457, 23805, 25047, 29095, 41745, 52371, 64009, 87285, 125235, 192027, 261855, 320045, 576081, 960135, 2880405]

約数ペア:

[(1, 2880405), (3, 960135), (5, 576081), (9, 320045), (11, 261855), (15, 192027), (23, 125235), (33, 87285), (45, 64009), (55, 52371), (69, 41745), (99, 29095), (115, 25047), (121, 23805), (165, 17457), (207, 13915), (253, 11385), (345, 8349), (363, 7935), (495, 5819), (529, 5445), (605, 4761), (759, 3795), (1035, 2783), (1089, 2645), (1265, 2277), (1587, 1815)]