161544320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:470

約数の個数: 128

約数和(自身を含む): 446808960

約数和(自身を除く): 285264640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 107, 112, 128, 140, 160, 214, 224, 280, 320, 337, 428, 448, 535, 560, 640, 674, 749, 856, 896, 1070, 1120, 1348, 1498, 1685, 1712, 2140, 2240, 2359, 2696, 2996, 3370, 3424, 3745, 4280, 4480, 4718, 5392, 5992, 6740, 6848, 7490, 8560, 9436, 10784, 11795, 11984, 13480, 13696, 14980, 17120, 18872, 21568, 23590, 23968, 26960, 29960, 34240, 36059, 37744, 43136, 47180, 47936, 53920, 59920, 68480, 72118, 75488, 94360, 95872, 107840, 119840, 144236, 150976, 180295, 188720, 215680, 239680, 252413, 288472, 301952, 360590, 377440, 479360, 504826, 576944, 721180, 754880, 1009652, 1153888, 1262065, 1442360, 1509760, 2019304, 2307776, 2524130, 2884720, 4038608, 4615552, 5048260, 5769440, 8077216, 10096520, 11538880, 16154432, 20193040, 23077760, 32308864, 40386080, 80772160, 161544320]

約数ペア:

[(1, 161544320), (2, 80772160), (4, 40386080), (5, 32308864), (7, 23077760), (8, 20193040), (10, 16154432), (14, 11538880), (16, 10096520), (20, 8077216), (28, 5769440), (32, 5048260), (35, 4615552), (40, 4038608), (56, 2884720), (64, 2524130), (70, 2307776), (80, 2019304), (107, 1509760), (112, 1442360), (128, 1262065), (140, 1153888), (160, 1009652), (214, 754880), (224, 721180), (280, 576944), (320, 504826), (337, 479360), (428, 377440), (448, 360590), (535, 301952), (560, 288472), (640, 252413), (674, 239680), (749, 215680), (856, 188720), (896, 180295), (1070, 150976), (1120, 144236), (1348, 119840), (1498, 107840), (1685, 95872), (1712, 94360), (2140, 75488), (2240, 72118), (2359, 68480), (2696, 59920), (2996, 53920), (3370, 47936), (3424, 47180), (3745, 43136), (4280, 37744), (4480, 36059), (4718, 34240), (5392, 29960), (5992, 26960), (6740, 23968), (6848, 23590), (7490, 21568), (8560, 18872), (9436, 17120), (10784, 14980), (11795, 13696), (11984, 13480)]