221347840

素因数分解:

$2^{15}\times 5^1\times 7^1\times {\mathrm{193}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 610261920

約数和(自身を除く): 388914080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 193, 224, 256, 280, 320, 386, 448, 512, 560, 640, 772, 896, 965, 1024, 1120, 1280, 1351, 1544, 1792, 1930, 2048, 2240, 2560, 2702, 3088, 3584, 3860, 4096, 4480, 5120, 5404, 6176, 6755, 7168, 7720, 8192, 8960, 10240, 10808, 12352, 13510, 14336, 15440, 16384, 17920, 20480, 21616, 24704, 27020, 28672, 30880, 32768, 35840, 40960, 43232, 49408, 54040, 57344, 61760, 71680, 81920, 86464, 98816, 108080, 114688, 123520, 143360, 163840, 172928, 197632, 216160, 229376, 247040, 286720, 345856, 395264, 432320, 494080, 573440, 691712, 790528, 864640, 988160, 1146880, 1383424, 1581056, 1729280, 1976320, 2766848, 3162112, 3458560, 3952640, 5533696, 6324224, 6917120, 7905280, 11067392, 13834240, 15810560, 22134784, 27668480, 31621120, 44269568, 55336960, 110673920, 221347840]

約数ペア:

[(1, 221347840), (2, 110673920), (4, 55336960), (5, 44269568), (7, 31621120), (8, 27668480), (10, 22134784), (14, 15810560), (16, 13834240), (20, 11067392), (28, 7905280), (32, 6917120), (35, 6324224), (40, 5533696), (56, 3952640), (64, 3458560), (70, 3162112), (80, 2766848), (112, 1976320), (128, 1729280), (140, 1581056), (160, 1383424), (193, 1146880), (224, 988160), (256, 864640), (280, 790528), (320, 691712), (386, 573440), (448, 494080), (512, 432320), (560, 395264), (640, 345856), (772, 286720), (896, 247040), (965, 229376), (1024, 216160), (1120, 197632), (1280, 172928), (1351, 163840), (1544, 143360), (1792, 123520), (1930, 114688), (2048, 108080), (2240, 98816), (2560, 86464), (2702, 81920), (3088, 71680), (3584, 61760), (3860, 57344), (4096, 54040), (4480, 49408), (5120, 43232), (5404, 40960), (6176, 35840), (6755, 32768), (7168, 30880), (7720, 28672), (8192, 27020), (8960, 24704), (10240, 21616), (10808, 20480), (12352, 17920), (13510, 16384), (14336, 15440)]