81853080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 260409600

約数和(自身を除く): 178556520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 43, 58, 60, 86, 87, 116, 120, 129, 145, 172, 174, 215, 232, 258, 290, 344, 348, 430, 435, 516, 547, 580, 645, 696, 860, 870, 1032, 1094, 1160, 1247, 1290, 1641, 1720, 1740, 2188, 2494, 2580, 2735, 3282, 3480, 3741, 4376, 4988, 5160, 5470, 6235, 6564, 7482, 8205, 9976, 10940, 12470, 13128, 14964, 15863, 16410, 18705, 21880, 23521, 24940, 29928, 31726, 32820, 37410, 47042, 47589, 49880, 63452, 65640, 70563, 74820, 79315, 94084, 95178, 117605, 126904, 141126, 149640, 158630, 188168, 190356, 235210, 237945, 282252, 317260, 352815, 380712, 470420, 475890, 564504, 634520, 682109, 705630, 940840, 951780, 1364218, 1411260, 1903560, 2046327, 2728436, 2822520, 3410545, 4092654, 5456872, 6821090, 8185308, 10231635, 13642180, 16370616, 20463270, 27284360, 40926540, 81853080]

約数ペア:

[(1, 81853080), (2, 40926540), (3, 27284360), (4, 20463270), (5, 16370616), (6, 13642180), (8, 10231635), (10, 8185308), (12, 6821090), (15, 5456872), (20, 4092654), (24, 3410545), (29, 2822520), (30, 2728436), (40, 2046327), (43, 1903560), (58, 1411260), (60, 1364218), (86, 951780), (87, 940840), (116, 705630), (120, 682109), (129, 634520), (145, 564504), (172, 475890), (174, 470420), (215, 380712), (232, 352815), (258, 317260), (290, 282252), (344, 237945), (348, 235210), (430, 190356), (435, 188168), (516, 158630), (547, 149640), (580, 141126), (645, 126904), (696, 117605), (860, 95178), (870, 94084), (1032, 79315), (1094, 74820), (1160, 70563), (1247, 65640), (1290, 63452), (1641, 49880), (1720, 47589), (1740, 47042), (2188, 37410), (2494, 32820), (2580, 31726), (2735, 29928), (3282, 24940), (3480, 23521), (3741, 21880), (4376, 18705), (4988, 16410), (5160, 15863), (5470, 14964), (6235, 13128), (6564, 12470), (7482, 10940), (8205, 9976)]