80711680

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{563}}^1$

素因数の和:599

約数の個数: 104

約数和(自身を含む): 221746752

約数和(自身を除く): 141035072

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, 224, 256, 280, 320, 448, 512, 560, 563, 640, 896, 1024, 1120, 1126, 1280, 1792, 2048, 2240, 2252, 2560, 2815, 3584, 3941, 4096, 4480, 4504, 5120, 5630, 7168, 7882, 8960, 9008, 10240, 11260, 14336, 15764, 17920, 18016, 19705, 20480, 22520, 28672, 31528, 35840, 36032, 39410, 45040, 63056, 71680, 72064, 78820, 90080, 126112, 143360, 144128, 157640, 180160, 252224, 288256, 315280, 360320, 504448, 576512, 630560, 720640, 1008896, 1153024, 1261120, 1441280, 2017792, 2306048, 2522240, 2882560, 4035584, 5044480, 5765120, 8071168, 10088960, 11530240, 16142336, 20177920, 40355840, 80711680]

約数ペア:

[(1, 80711680), (2, 40355840), (4, 20177920), (5, 16142336), (7, 11530240), (8, 10088960), (10, 8071168), (14, 5765120), (16, 5044480), (20, 4035584), (28, 2882560), (32, 2522240), (35, 2306048), (40, 2017792), (56, 1441280), (64, 1261120), (70, 1153024), (80, 1008896), (112, 720640), (128, 630560), (140, 576512), (160, 504448), (224, 360320), (256, 315280), (280, 288256), (320, 252224), (448, 180160), (512, 157640), (560, 144128), (563, 143360), (640, 126112), (896, 90080), (1024, 78820), (1120, 72064), (1126, 71680), (1280, 63056), (1792, 45040), (2048, 39410), (2240, 36032), (2252, 35840), (2560, 31528), (2815, 28672), (3584, 22520), (3941, 20480), (4096, 19705), (4480, 18016), (4504, 17920), (5120, 15764), (5630, 14336), (7168, 11260), (7882, 10240), (8960, 9008)]