20189520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:754

約数の個数: 160

約数和(自身を含む): 74995200

約数和(自身を除く): 54805680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 719, 720, 780, 936, 1040, 1080, 1170, 1404, 1438, 1560, 1755, 1872, 2157, 2160, 2340, 2808, 2876, 3120, 3510, 3595, 4314, 4680, 5616, 5752, 6471, 7020, 7190, 8628, 9347, 9360, 10785, 11504, 12942, 14040, 14380, 17256, 18694, 19413, 21570, 25884, 28041, 28080, 28760, 32355, 34512, 37388, 38826, 43140, 46735, 51768, 56082, 57520, 64710, 74776, 77652, 84123, 86280, 93470, 97065, 103536, 112164, 129420, 140205, 149552, 155304, 168246, 172560, 186940, 194130, 224328, 252369, 258840, 280410, 310608, 336492, 373880, 388260, 420615, 448656, 504738, 517680, 560820, 672984, 747760, 776520, 841230, 1009476, 1121640, 1261845, 1345968, 1553040, 1682460, 2018952, 2243280, 2523690, 3364920, 4037904, 5047380, 6729840, 10094760, 20189520]

約数ペア:

[(1, 20189520), (2, 10094760), (3, 6729840), (4, 5047380), (5, 4037904), (6, 3364920), (8, 2523690), (9, 2243280), (10, 2018952), (12, 1682460), (13, 1553040), (15, 1345968), (16, 1261845), (18, 1121640), (20, 1009476), (24, 841230), (26, 776520), (27, 747760), (30, 672984), (36, 560820), (39, 517680), (40, 504738), (45, 448656), (48, 420615), (52, 388260), (54, 373880), (60, 336492), (65, 310608), (72, 280410), (78, 258840), (80, 252369), (90, 224328), (104, 194130), (108, 186940), (117, 172560), (120, 168246), (130, 155304), (135, 149552), (144, 140205), (156, 129420), (180, 112164), (195, 103536), (208, 97065), (216, 93470), (234, 86280), (240, 84123), (260, 77652), (270, 74776), (312, 64710), (351, 57520), (360, 56082), (390, 51768), (432, 46735), (468, 43140), (520, 38826), (540, 37388), (585, 34512), (624, 32355), (702, 28760), (719, 28080), (720, 28041), (780, 25884), (936, 21570), (1040, 19413), (1080, 18694), (1170, 17256), (1404, 14380), (1438, 14040), (1560, 12942), (1755, 11504), (1872, 10785), (2157, 9360), (2160, 9347), (2340, 8628), (2808, 7190), (2876, 7020), (3120, 6471), (3510, 5752), (3595, 5616), (4314, 4680)]