2019120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 6428160

約数和(自身を除く): 4409040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 179, 188, 235, 240, 282, 358, 376, 470, 537, 564, 705, 716, 752, 895, 940, 1074, 1128, 1410, 1432, 1790, 1880, 2148, 2256, 2685, 2820, 2864, 3580, 3760, 4296, 5370, 5640, 7160, 8413, 8592, 10740, 11280, 14320, 16826, 21480, 25239, 33652, 42065, 42960, 50478, 67304, 84130, 100956, 126195, 134608, 168260, 201912, 252390, 336520, 403824, 504780, 673040, 1009560, 2019120]

約数ペア:

[(1, 2019120), (2, 1009560), (3, 673040), (4, 504780), (5, 403824), (6, 336520), (8, 252390), (10, 201912), (12, 168260), (15, 134608), (16, 126195), (20, 100956), (24, 84130), (30, 67304), (40, 50478), (47, 42960), (48, 42065), (60, 33652), (80, 25239), (94, 21480), (120, 16826), (141, 14320), (179, 11280), (188, 10740), (235, 8592), (240, 8413), (282, 7160), (358, 5640), (376, 5370), (470, 4296), (537, 3760), (564, 3580), (705, 2864), (716, 2820), (752, 2685), (895, 2256), (940, 2148), (1074, 1880), (1128, 1790), (1410, 1432)]