28217640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21377}}^1$

素因数の和:21402

約数の個数: 64

約数和(自身を含む): 92352960

約数和(自身を除く): 64135320

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, 21377, 42754, 64131, 85508, 106885, 128262, 171016, 213770, 235147, 256524, 320655, 427540, 470294, 513048, 641310, 705441, 855080, 940588, 1175735, 1282620, 1410882, 1881176, 2351470, 2565240, 2821764, 3527205, 4702940, 5643528, 7054410, 9405880, 14108820, 28217640]

約数ペア:

[(1, 28217640), (2, 14108820), (3, 9405880), (4, 7054410), (5, 5643528), (6, 4702940), (8, 3527205), (10, 2821764), (11, 2565240), (12, 2351470), (15, 1881176), (20, 1410882), (22, 1282620), (24, 1175735), (30, 940588), (33, 855080), (40, 705441), (44, 641310), (55, 513048), (60, 470294), (66, 427540), (88, 320655), (110, 256524), (120, 235147), (132, 213770), (165, 171016), (220, 128262), (264, 106885), (330, 85508), (440, 64131), (660, 42754), (1320, 21377)]