215342080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:469

約数の個数: 88

約数和(自身を含む): 522034128

約数和(自身を除く): 306692048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 307, 320, 512, 548, 614, 640, 685, 1024, 1096, 1228, 1280, 1370, 1535, 2192, 2456, 2560, 2740, 3070, 4384, 4912, 5120, 5480, 6140, 8768, 9824, 10960, 12280, 17536, 19648, 21920, 24560, 35072, 39296, 42059, 43840, 49120, 70144, 78592, 84118, 87680, 98240, 140288, 157184, 168236, 175360, 196480, 210295, 314368, 336472, 350720, 392960, 420590, 672944, 701440, 785920, 841180, 1345888, 1571840, 1682360, 2691776, 3364720, 5383552, 6729440, 10767104, 13458880, 21534208, 26917760, 43068416, 53835520, 107671040, 215342080]

約数ペア:

[(1, 215342080), (2, 107671040), (4, 53835520), (5, 43068416), (8, 26917760), (10, 21534208), (16, 13458880), (20, 10767104), (32, 6729440), (40, 5383552), (64, 3364720), (80, 2691776), (128, 1682360), (137, 1571840), (160, 1345888), (256, 841180), (274, 785920), (307, 701440), (320, 672944), (512, 420590), (548, 392960), (614, 350720), (640, 336472), (685, 314368), (1024, 210295), (1096, 196480), (1228, 175360), (1280, 168236), (1370, 157184), (1535, 140288), (2192, 98240), (2456, 87680), (2560, 84118), (2740, 78592), (3070, 70144), (4384, 49120), (4912, 43840), (5120, 42059), (5480, 39296), (6140, 35072), (8768, 24560), (9824, 21920), (10960, 19648), (12280, 17536)]