871511680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 192

約数和(自身を含む): 2339706600

約数和(自身を除く): 1468194920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 109, 124, 128, 130, 155, 160, 208, 218, 248, 260, 310, 320, 403, 416, 436, 496, 520, 545, 620, 640, 806, 832, 872, 961, 992, 1040, 1090, 1240, 1417, 1612, 1664, 1744, 1922, 1984, 2015, 2080, 2180, 2480, 2834, 3224, 3379, 3488, 3844, 3968, 4030, 4160, 4360, 4805, 4960, 5668, 6448, 6758, 6976, 7085, 7688, 8060, 8320, 8720, 9610, 9920, 11336, 12493, 12896, 13516, 13952, 14170, 15376, 16120, 16895, 17440, 19220, 19840, 22672, 24986, 25792, 27032, 28340, 30752, 32240, 33790, 34880, 38440, 43927, 45344, 49972, 51584, 54064, 56680, 61504, 62465, 64480, 67580, 69760, 76880, 87854, 90688, 99944, 104749, 108128, 113360, 123008, 124930, 128960, 135160, 153760, 175708, 181376, 199888, 209498, 216256, 219635, 226720, 249860, 257920, 270320, 307520, 351416, 399776, 418996, 432512, 439270, 453440, 499720, 523745, 540640, 615040, 702832, 799552, 837992, 878540, 906880, 999440, 1047490, 1081280, 1361737, 1405664, 1599104, 1675984, 1757080, 1998880, 2094980, 2162560, 2723474, 2811328, 3351968, 3514160, 3997760, 4189960, 5446948, 5622656, 6703936, 6808685, 7028320, 7995520, 8379920, 10893896, 13407872, 13617370, 14056640, 16759840, 21787792, 27234740, 28113280, 33519680, 43575584, 54469480, 67039360, 87151168, 108938960, 174302336, 217877920, 435755840, 871511680]

約数ペア:

[(1, 871511680), (2, 435755840), (4, 217877920), (5, 174302336), (8, 108938960), (10, 87151168), (13, 67039360), (16, 54469480), (20, 43575584), (26, 33519680), (31, 28113280), (32, 27234740), (40, 21787792), (52, 16759840), (62, 14056640), (64, 13617370), (65, 13407872), (80, 10893896), (104, 8379920), (109, 7995520), (124, 7028320), (128, 6808685), (130, 6703936), (155, 5622656), (160, 5446948), (208, 4189960), (218, 3997760), (248, 3514160), (260, 3351968), (310, 2811328), (320, 2723474), (403, 2162560), (416, 2094980), (436, 1998880), (496, 1757080), (520, 1675984), (545, 1599104), (620, 1405664), (640, 1361737), (806, 1081280), (832, 1047490), (872, 999440), (961, 906880), (992, 878540), (1040, 837992), (1090, 799552), (1240, 702832), (1417, 615040), (1612, 540640), (1664, 523745), (1744, 499720), (1922, 453440), (1984, 439270), (2015, 432512), (2080, 418996), (2180, 399776), (2480, 351416), (2834, 307520), (3224, 270320), (3379, 257920), (3488, 249860), (3844, 226720), (3968, 219635), (4030, 216256), (4160, 209498), (4360, 199888), (4805, 181376), (4960, 175708), (5668, 153760), (6448, 135160), (6758, 128960), (6976, 124930), (7085, 123008), (7688, 113360), (8060, 108128), (8320, 104749), (8720, 99944), (9610, 90688), (9920, 87854), (11336, 76880), (12493, 69760), (12896, 67580), (13516, 64480), (13952, 62465), (14170, 61504), (15376, 56680), (16120, 54064), (16895, 51584), (17440, 49972), (19220, 45344), (19840, 43927), (22672, 38440), (24986, 34880), (25792, 33790), (27032, 32240), (28340, 30752)]