81636160

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:528

約数の個数: 112

約数和(自身を含む): 212140800

約数和(自身を除く): 130504640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 80, 95, 116, 145, 152, 160, 190, 232, 290, 304, 320, 380, 463, 464, 551, 580, 608, 760, 926, 928, 1102, 1160, 1216, 1520, 1852, 1856, 2204, 2315, 2320, 2755, 3040, 3704, 4408, 4630, 4640, 5510, 6080, 7408, 8797, 8816, 9260, 9280, 11020, 13427, 14816, 17594, 17632, 18520, 22040, 26854, 29632, 35188, 35264, 37040, 43985, 44080, 53708, 67135, 70376, 74080, 87970, 88160, 107416, 134270, 140752, 148160, 175940, 176320, 214832, 255113, 268540, 281504, 351880, 429664, 510226, 537080, 563008, 703760, 859328, 1020452, 1074160, 1275565, 1407520, 2040904, 2148320, 2551130, 2815040, 4081808, 4296640, 5102260, 8163616, 10204520, 16327232, 20409040, 40818080, 81636160]

約数ペア:

[(1, 81636160), (2, 40818080), (4, 20409040), (5, 16327232), (8, 10204520), (10, 8163616), (16, 5102260), (19, 4296640), (20, 4081808), (29, 2815040), (32, 2551130), (38, 2148320), (40, 2040904), (58, 1407520), (64, 1275565), (76, 1074160), (80, 1020452), (95, 859328), (116, 703760), (145, 563008), (152, 537080), (160, 510226), (190, 429664), (232, 351880), (290, 281504), (304, 268540), (320, 255113), (380, 214832), (463, 176320), (464, 175940), (551, 148160), (580, 140752), (608, 134270), (760, 107416), (926, 88160), (928, 87970), (1102, 74080), (1160, 70376), (1216, 67135), (1520, 53708), (1852, 44080), (1856, 43985), (2204, 37040), (2315, 35264), (2320, 35188), (2755, 29632), (3040, 26854), (3704, 22040), (4408, 18520), (4630, 17632), (4640, 17594), (5510, 14816), (6080, 13427), (7408, 11020), (8797, 9280), (8816, 9260)]