520307840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2719}}^1$

素因数の和:2774

約数の個数: 128

約数和(自身を含む): 1398297600

約数和(自身を除く): 877989760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 460, 520, 598, 640, 736, 832, 920, 1040, 1196, 1472, 1495, 1664, 1840, 2080, 2392, 2719, 2944, 2990, 3680, 4160, 4784, 5438, 5980, 7360, 8320, 9568, 10876, 11960, 13595, 14720, 19136, 21752, 23920, 27190, 35347, 38272, 43504, 47840, 54380, 62537, 70694, 87008, 95680, 108760, 125074, 141388, 174016, 176735, 191360, 217520, 250148, 282776, 312685, 348032, 353470, 435040, 500296, 565552, 625370, 706940, 812981, 870080, 1000592, 1131104, 1250740, 1413880, 1625962, 1740160, 2001184, 2262208, 2501480, 2827760, 3251924, 4002368, 4064905, 4524416, 5002960, 5655520, 6503848, 8004736, 8129810, 10005920, 11311040, 13007696, 16259620, 20011840, 22622080, 26015392, 32519240, 40023680, 52030784, 65038480, 104061568, 130076960, 260153920, 520307840]

約数ペア:

[(1, 520307840), (2, 260153920), (4, 130076960), (5, 104061568), (8, 65038480), (10, 52030784), (13, 40023680), (16, 32519240), (20, 26015392), (23, 22622080), (26, 20011840), (32, 16259620), (40, 13007696), (46, 11311040), (52, 10005920), (64, 8129810), (65, 8004736), (80, 6503848), (92, 5655520), (104, 5002960), (115, 4524416), (128, 4064905), (130, 4002368), (160, 3251924), (184, 2827760), (208, 2501480), (230, 2262208), (260, 2001184), (299, 1740160), (320, 1625962), (368, 1413880), (416, 1250740), (460, 1131104), (520, 1000592), (598, 870080), (640, 812981), (736, 706940), (832, 625370), (920, 565552), (1040, 500296), (1196, 435040), (1472, 353470), (1495, 348032), (1664, 312685), (1840, 282776), (2080, 250148), (2392, 217520), (2719, 191360), (2944, 176735), (2990, 174016), (3680, 141388), (4160, 125074), (4784, 108760), (5438, 95680), (5980, 87008), (7360, 70694), (8320, 62537), (9568, 54380), (10876, 47840), (11960, 43504), (13595, 38272), (14720, 35347), (19136, 27190), (21752, 23920)]