28085640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21277}}^1$

素因数の和:21302

約数の個数: 64

約数和(自身を含む): 91920960

約数和(自身を除く): 63835320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21277, 42554, 63831, 85108, 106385, 127662, 170216, 212770, 234047, 255324, 319155, 425540, 468094, 510648, 638310, 702141, 851080, 936188, 1170235, 1276620, 1404282, 1872376, 2340470, 2553240, 2808564, 3510705, 4680940, 5617128, 7021410, 9361880, 14042820, 28085640]

約数ペア:

[(1, 28085640), (2, 14042820), (3, 9361880), (4, 7021410), (5, 5617128), (6, 4680940), (8, 3510705), (10, 2808564), (11, 2553240), (12, 2340470), (15, 1872376), (20, 1404282), (22, 1276620), (24, 1170235), (30, 936188), (33, 851080), (40, 702141), (44, 638310), (55, 510648), (60, 468094), (66, 425540), (88, 319155), (110, 255324), (120, 234047), (132, 212770), (165, 170216), (220, 127662), (264, 106385), (330, 85108), (440, 63831), (660, 42554), (1320, 21277)]