686979520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:758

約数の個数: 112

約数和(自身を含む): 1742041728

約数和(自身を除く): 1055062208

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 293, 320, 340, 431, 544, 586, 680, 862, 1088, 1172, 1360, 1465, 1724, 2155, 2344, 2720, 2930, 3448, 4310, 4688, 4981, 5440, 5860, 6896, 7327, 8620, 9376, 9962, 11720, 13792, 14654, 17240, 18752, 19924, 23440, 24905, 27584, 29308, 34480, 36635, 39848, 46880, 49810, 58616, 68960, 73270, 79696, 93760, 99620, 117232, 126283, 137920, 146540, 159392, 199240, 234464, 252566, 293080, 318784, 398480, 468928, 505132, 586160, 631415, 796960, 1010264, 1172320, 1262830, 1593920, 2020528, 2146811, 2344640, 2525660, 4041056, 4293622, 5051320, 8082112, 8587244, 10102640, 10734055, 17174488, 20205280, 21468110, 34348976, 40410560, 42936220, 68697952, 85872440, 137395904, 171744880, 343489760, 686979520]

約数ペア:

[(1, 686979520), (2, 343489760), (4, 171744880), (5, 137395904), (8, 85872440), (10, 68697952), (16, 42936220), (17, 40410560), (20, 34348976), (32, 21468110), (34, 20205280), (40, 17174488), (64, 10734055), (68, 10102640), (80, 8587244), (85, 8082112), (136, 5051320), (160, 4293622), (170, 4041056), (272, 2525660), (293, 2344640), (320, 2146811), (340, 2020528), (431, 1593920), (544, 1262830), (586, 1172320), (680, 1010264), (862, 796960), (1088, 631415), (1172, 586160), (1360, 505132), (1465, 468928), (1724, 398480), (2155, 318784), (2344, 293080), (2720, 252566), (2930, 234464), (3448, 199240), (4310, 159392), (4688, 146540), (4981, 137920), (5440, 126283), (5860, 117232), (6896, 99620), (7327, 93760), (8620, 79696), (9376, 73270), (9962, 68960), (11720, 58616), (13792, 49810), (14654, 46880), (17240, 39848), (18752, 36635), (19924, 34480), (23440, 29308), (24905, 27584)]