1268285440

素因数分解:

$2^{15}\times 5^1\times {\mathrm{7741}}^1$

素因数の和:7776

約数の個数: 64

約数和(自身を含む): 3044231820

約数和(自身を除く): 1775946380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 7741, 8192, 10240, 15482, 16384, 20480, 30964, 32768, 38705, 40960, 61928, 77410, 81920, 123856, 154820, 163840, 247712, 309640, 495424, 619280, 990848, 1238560, 1981696, 2477120, 3963392, 4954240, 7926784, 9908480, 15853568, 19816960, 31707136, 39633920, 63414272, 79267840, 126828544, 158535680, 253657088, 317071360, 634142720, 1268285440]

約数ペア:

[(1, 1268285440), (2, 634142720), (4, 317071360), (5, 253657088), (8, 158535680), (10, 126828544), (16, 79267840), (20, 63414272), (32, 39633920), (40, 31707136), (64, 19816960), (80, 15853568), (128, 9908480), (160, 7926784), (256, 4954240), (320, 3963392), (512, 2477120), (640, 1981696), (1024, 1238560), (1280, 990848), (2048, 619280), (2560, 495424), (4096, 309640), (5120, 247712), (7741, 163840), (8192, 154820), (10240, 123856), (15482, 81920), (16384, 77410), (20480, 61928), (30964, 40960), (32768, 38705)]