65641240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3499}}^1$

素因数の和:3584

約数の個数: 64

約数和(自身を含む): 171360000

約数和(自身を除く): 105718760

約数列:

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

約数ペア:

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