280330960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5501}}^1$

素因数の和:5541

約数の個数: 120

約数和(自身を含む): 816650856

約数和(自身を除く): 536319896

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1820, 1960, 2548, 3185, 3640, 3920, 5096, 5501, 6370, 7280, 10192, 11002, 12740, 22004, 25480, 27505, 38507, 44008, 50960, 55010, 71513, 77014, 88016, 110020, 143026, 154028, 192535, 220040, 269549, 286052, 308056, 357565, 385070, 440080, 500591, 539098, 572104, 616112, 715130, 770140, 1001182, 1078196, 1144208, 1347745, 1430260, 1540280, 2002364, 2156392, 2502955, 2695490, 2860520, 3080560, 3504137, 4004728, 4312784, 5005910, 5390980, 5721040, 7008274, 8009456, 10011820, 10781960, 14016548, 17520685, 20023640, 21563920, 28033096, 35041370, 40047280, 56066192, 70082740, 140165480, 280330960]

約数ペア:

[(1, 280330960), (2, 140165480), (4, 70082740), (5, 56066192), (7, 40047280), (8, 35041370), (10, 28033096), (13, 21563920), (14, 20023640), (16, 17520685), (20, 14016548), (26, 10781960), (28, 10011820), (35, 8009456), (40, 7008274), (49, 5721040), (52, 5390980), (56, 5005910), (65, 4312784), (70, 4004728), (80, 3504137), (91, 3080560), (98, 2860520), (104, 2695490), (112, 2502955), (130, 2156392), (140, 2002364), (182, 1540280), (196, 1430260), (208, 1347745), (245, 1144208), (260, 1078196), (280, 1001182), (364, 770140), (392, 715130), (455, 616112), (490, 572104), (520, 539098), (560, 500591), (637, 440080), (728, 385070), (784, 357565), (910, 308056), (980, 286052), (1040, 269549), (1274, 220040), (1456, 192535), (1820, 154028), (1960, 143026), (2548, 110020), (3185, 88016), (3640, 77014), (3920, 71513), (5096, 55010), (5501, 50960), (6370, 44008), (7280, 38507), (10192, 27505), (11002, 25480), (12740, 22004)]