71457280

素因数分解:

$2^9\times 5^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 80

約数和(自身を含む): 173631744

約数和(自身を除く): 102174464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 271, 320, 412, 512, 515, 542, 640, 824, 1030, 1084, 1280, 1355, 1648, 2060, 2168, 2560, 2710, 3296, 4120, 4336, 5420, 6592, 8240, 8672, 10840, 13184, 16480, 17344, 21680, 26368, 27913, 32960, 34688, 43360, 52736, 55826, 65920, 69376, 86720, 111652, 131840, 138752, 139565, 173440, 223304, 263680, 279130, 346880, 446608, 558260, 693760, 893216, 1116520, 1786432, 2233040, 3572864, 4466080, 7145728, 8932160, 14291456, 17864320, 35728640, 71457280]

約数ペア:

[(1, 71457280), (2, 35728640), (4, 17864320), (5, 14291456), (8, 8932160), (10, 7145728), (16, 4466080), (20, 3572864), (32, 2233040), (40, 1786432), (64, 1116520), (80, 893216), (103, 693760), (128, 558260), (160, 446608), (206, 346880), (256, 279130), (271, 263680), (320, 223304), (412, 173440), (512, 139565), (515, 138752), (542, 131840), (640, 111652), (824, 86720), (1030, 69376), (1084, 65920), (1280, 55826), (1355, 52736), (1648, 43360), (2060, 34688), (2168, 32960), (2560, 27913), (2710, 26368), (3296, 21680), (4120, 17344), (4336, 16480), (5420, 13184), (6592, 10840), (8240, 8672)]