143488240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{997}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 383136192

約数和(自身を除く): 239647952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 514, 560, 997, 1028, 1285, 1799, 1994, 2056, 2570, 3598, 3988, 4112, 4985, 5140, 6979, 7196, 7976, 8995, 9970, 10280, 13958, 14392, 15952, 17990, 19940, 20560, 27916, 28784, 34895, 35980, 39880, 55832, 69790, 71960, 79760, 111664, 139580, 143920, 256229, 279160, 512458, 558320, 1024916, 1281145, 1793603, 2049832, 2562290, 3587206, 4099664, 5124580, 7174412, 8968015, 10249160, 14348824, 17936030, 20498320, 28697648, 35872060, 71744120, 143488240]

約数ペア:

[(1, 143488240), (2, 71744120), (4, 35872060), (5, 28697648), (7, 20498320), (8, 17936030), (10, 14348824), (14, 10249160), (16, 8968015), (20, 7174412), (28, 5124580), (35, 4099664), (40, 3587206), (56, 2562290), (70, 2049832), (80, 1793603), (112, 1281145), (140, 1024916), (257, 558320), (280, 512458), (514, 279160), (560, 256229), (997, 143920), (1028, 139580), (1285, 111664), (1799, 79760), (1994, 71960), (2056, 69790), (2570, 55832), (3598, 39880), (3988, 35980), (4112, 34895), (4985, 28784), (5140, 27916), (6979, 20560), (7196, 19940), (7976, 17990), (8995, 15952), (9970, 14392), (10280, 13958)]