161992960

素因数分解:

$2^8\times 5^1\times {\mathrm{271}}^1\times {\mathrm{467}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 390289536

約数和(自身を除く): 228296576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 271, 320, 467, 542, 640, 934, 1084, 1280, 1355, 1868, 2168, 2335, 2710, 3736, 4336, 4670, 5420, 7472, 8672, 9340, 10840, 14944, 17344, 18680, 21680, 29888, 34688, 37360, 43360, 59776, 69376, 74720, 86720, 119552, 126557, 149440, 173440, 253114, 298880, 346880, 506228, 597760, 632785, 1012456, 1265570, 2024912, 2531140, 4049824, 5062280, 8099648, 10124560, 16199296, 20249120, 32398592, 40498240, 80996480, 161992960]

約数ペア:

[(1, 161992960), (2, 80996480), (4, 40498240), (5, 32398592), (8, 20249120), (10, 16199296), (16, 10124560), (20, 8099648), (32, 5062280), (40, 4049824), (64, 2531140), (80, 2024912), (128, 1265570), (160, 1012456), (256, 632785), (271, 597760), (320, 506228), (467, 346880), (542, 298880), (640, 253114), (934, 173440), (1084, 149440), (1280, 126557), (1355, 119552), (1868, 86720), (2168, 74720), (2335, 69376), (2710, 59776), (3736, 43360), (4336, 37360), (4670, 34688), (5420, 29888), (7472, 21680), (8672, 18680), (9340, 17344), (10840, 14944)]