2507317520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{2039}}^1$

素因数の和:2880

約数の個数: 80

約数和(自身を含む): 6146928000

約数和(自身を除く): 3639610480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 809, 1520, 1618, 2039, 3236, 4045, 4078, 6472, 8090, 8156, 10195, 12944, 15371, 16180, 16312, 20390, 30742, 32360, 32624, 38741, 40780, 61484, 64720, 76855, 77482, 81560, 122968, 153710, 154964, 163120, 193705, 245936, 307420, 309928, 387410, 614840, 619856, 774820, 1229680, 1549640, 1649551, 3099280, 3299102, 6598204, 8247755, 13196408, 16495510, 26392816, 31341469, 32991020, 62682938, 65982040, 125365876, 131964080, 156707345, 250731752, 313414690, 501463504, 626829380, 1253658760, 2507317520]

約数ペア:

[(1, 2507317520), (2, 1253658760), (4, 626829380), (5, 501463504), (8, 313414690), (10, 250731752), (16, 156707345), (19, 131964080), (20, 125365876), (38, 65982040), (40, 62682938), (76, 32991020), (80, 31341469), (95, 26392816), (152, 16495510), (190, 13196408), (304, 8247755), (380, 6598204), (760, 3299102), (809, 3099280), (1520, 1649551), (1618, 1549640), (2039, 1229680), (3236, 774820), (4045, 619856), (4078, 614840), (6472, 387410), (8090, 309928), (8156, 307420), (10195, 245936), (12944, 193705), (15371, 163120), (16180, 154964), (16312, 153710), (20390, 122968), (30742, 81560), (32360, 77482), (32624, 76855), (38741, 64720), (40780, 61484)]