12815220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19417}}^1$

素因数の和:19440

約数の個数: 48

約数和(自身を含む): 39146688

約数和(自身を除く): 26331468

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 19417, 38834, 58251, 77668, 97085, 116502, 194170, 213587, 233004, 291255, 388340, 427174, 582510, 640761, 854348, 1067935, 1165020, 1281522, 2135870, 2563044, 3203805, 4271740, 6407610, 12815220]

約数ペア:

[(1, 12815220), (2, 6407610), (3, 4271740), (4, 3203805), (5, 2563044), (6, 2135870), (10, 1281522), (11, 1165020), (12, 1067935), (15, 854348), (20, 640761), (22, 582510), (30, 427174), (33, 388340), (44, 291255), (55, 233004), (60, 213587), (66, 194170), (110, 116502), (132, 97085), (165, 77668), (220, 58251), (330, 38834), (660, 19417)]