1820003920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{171053}}^1$

素因数の和:171092

約数の個数: 80

約数和(自身を含む): 5090567040

約数和(自身を除く): 3270563120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 171053, 342106, 684212, 855265, 1197371, 1368424, 1710530, 2394742, 2736848, 3250007, 3421060, 4789484, 5986855, 6500014, 6842120, 9578968, 11973710, 13000028, 13684240, 16250035, 19157936, 22750049, 23947420, 26000056, 32500070, 45500098, 47894840, 52000112, 65000140, 91000196, 95789680, 113750245, 130000280, 182000392, 227500490, 260000560, 364000784, 455000980, 910001960, 1820003920]

約数ペア:

[(1, 1820003920), (2, 910001960), (4, 455000980), (5, 364000784), (7, 260000560), (8, 227500490), (10, 182000392), (14, 130000280), (16, 113750245), (19, 95789680), (20, 91000196), (28, 65000140), (35, 52000112), (38, 47894840), (40, 45500098), (56, 32500070), (70, 26000056), (76, 23947420), (80, 22750049), (95, 19157936), (112, 16250035), (133, 13684240), (140, 13000028), (152, 11973710), (190, 9578968), (266, 6842120), (280, 6500014), (304, 5986855), (380, 4789484), (532, 3421060), (560, 3250007), (665, 2736848), (760, 2394742), (1064, 1710530), (1330, 1368424), (1520, 1197371), (2128, 855265), (2660, 684212), (5320, 342106), (10640, 171053)]