18820560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7129}}^1$

素因数の和:7156

約数の個数: 80

約数和(自身を含む): 63656640

約数和(自身を除く): 44836080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7129, 14258, 21387, 28516, 35645, 42774, 57032, 71290, 78419, 85548, 106935, 114064, 142580, 156838, 171096, 213870, 235257, 285160, 313676, 342192, 392095, 427740, 470514, 570320, 627352, 784190, 855480, 941028, 1176285, 1254704, 1568380, 1710960, 1882056, 2352570, 3136760, 3764112, 4705140, 6273520, 9410280, 18820560]

約数ペア:

[(1, 18820560), (2, 9410280), (3, 6273520), (4, 4705140), (5, 3764112), (6, 3136760), (8, 2352570), (10, 1882056), (11, 1710960), (12, 1568380), (15, 1254704), (16, 1176285), (20, 941028), (22, 855480), (24, 784190), (30, 627352), (33, 570320), (40, 470514), (44, 427740), (48, 392095), (55, 342192), (60, 313676), (66, 285160), (80, 235257), (88, 213870), (110, 171096), (120, 156838), (132, 142580), (165, 114064), (176, 106935), (220, 85548), (240, 78419), (264, 71290), (330, 57032), (440, 42774), (528, 35645), (660, 28516), (880, 21387), (1320, 14258), (2640, 7129)]