427294720

素因数分解:

$2^{19}\times 5^1\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 1031797800

約数和(自身を除く): 604503080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 256, 320, 326, 512, 640, 652, 815, 1024, 1280, 1304, 1630, 2048, 2560, 2608, 3260, 4096, 5120, 5216, 6520, 8192, 10240, 10432, 13040, 16384, 20480, 20864, 26080, 32768, 40960, 41728, 52160, 65536, 81920, 83456, 104320, 131072, 163840, 166912, 208640, 262144, 327680, 333824, 417280, 524288, 655360, 667648, 834560, 1310720, 1335296, 1669120, 2621440, 2670592, 3338240, 5341184, 6676480, 10682368, 13352960, 21364736, 26705920, 42729472, 53411840, 85458944, 106823680, 213647360, 427294720]

約数ペア:

[(1, 427294720), (2, 213647360), (4, 106823680), (5, 85458944), (8, 53411840), (10, 42729472), (16, 26705920), (20, 21364736), (32, 13352960), (40, 10682368), (64, 6676480), (80, 5341184), (128, 3338240), (160, 2670592), (163, 2621440), (256, 1669120), (320, 1335296), (326, 1310720), (512, 834560), (640, 667648), (652, 655360), (815, 524288), (1024, 417280), (1280, 333824), (1304, 327680), (1630, 262144), (2048, 208640), (2560, 166912), (2608, 163840), (3260, 131072), (4096, 104320), (5120, 83456), (5216, 81920), (6520, 65536), (8192, 52160), (10240, 41728), (10432, 40960), (13040, 32768), (16384, 26080), (20480, 20864)]