131282480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3499}}^1$

素因数の和:3586

約数の個数: 80

約数和(自身を含む): 354144000

約数和(自身を除く): 222861520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 938, 1072, 1340, 1876, 2345, 2680, 3499, 3752, 4690, 5360, 6998, 7504, 9380, 13996, 17495, 18760, 24493, 27992, 34990, 37520, 48986, 55984, 69980, 97972, 122465, 139960, 195944, 234433, 244930, 279920, 391888, 468866, 489860, 937732, 979720, 1172165, 1641031, 1875464, 1959440, 2344330, 3282062, 3750928, 4688660, 6564124, 8205155, 9377320, 13128248, 16410310, 18754640, 26256496, 32820620, 65641240, 131282480]

約数ペア:

[(1, 131282480), (2, 65641240), (4, 32820620), (5, 26256496), (7, 18754640), (8, 16410310), (10, 13128248), (14, 9377320), (16, 8205155), (20, 6564124), (28, 4688660), (35, 3750928), (40, 3282062), (56, 2344330), (67, 1959440), (70, 1875464), (80, 1641031), (112, 1172165), (134, 979720), (140, 937732), (268, 489860), (280, 468866), (335, 391888), (469, 279920), (536, 244930), (560, 234433), (670, 195944), (938, 139960), (1072, 122465), (1340, 97972), (1876, 69980), (2345, 55984), (2680, 48986), (3499, 37520), (3752, 34990), (4690, 27992), (5360, 24493), (6998, 18760), (7504, 17495), (9380, 13996)]