280147280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3313}}^1$

素因数の和:3484

約数の個数: 80

約数和(自身を含む): 749547264

約数和(自身を除く): 469399984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 755, 1057, 1208, 1510, 2114, 2416, 3020, 3313, 4228, 5285, 6040, 6626, 8456, 10570, 12080, 13252, 16565, 16912, 21140, 23191, 26504, 33130, 42280, 46382, 53008, 66260, 84560, 92764, 115955, 132520, 185528, 231910, 265040, 371056, 463820, 500263, 927640, 1000526, 1855280, 2001052, 2501315, 3501841, 4002104, 5002630, 7003682, 8004208, 10005260, 14007364, 17509205, 20010520, 28014728, 35018410, 40021040, 56029456, 70036820, 140073640, 280147280]

約数ペア:

[(1, 280147280), (2, 140073640), (4, 70036820), (5, 56029456), (7, 40021040), (8, 35018410), (10, 28014728), (14, 20010520), (16, 17509205), (20, 14007364), (28, 10005260), (35, 8004208), (40, 7003682), (56, 5002630), (70, 4002104), (80, 3501841), (112, 2501315), (140, 2001052), (151, 1855280), (280, 1000526), (302, 927640), (560, 500263), (604, 463820), (755, 371056), (1057, 265040), (1208, 231910), (1510, 185528), (2114, 132520), (2416, 115955), (3020, 92764), (3313, 84560), (4228, 66260), (5285, 53008), (6040, 46382), (6626, 42280), (8456, 33130), (10570, 26504), (12080, 23191), (13252, 21140), (16565, 16912)]