1297665680

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1\times {\mathrm{379}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 3057899520

約数和(自身を除く): 1760233840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 337, 379, 508, 635, 674, 758, 1016, 1270, 1348, 1516, 1685, 1895, 2032, 2540, 2696, 3032, 3370, 3790, 5080, 5392, 6064, 6740, 7580, 10160, 13480, 15160, 26960, 30320, 42799, 48133, 85598, 96266, 127723, 171196, 192532, 213995, 240665, 255446, 342392, 385064, 427990, 481330, 510892, 638615, 684784, 770128, 855980, 962660, 1021784, 1277230, 1711960, 1925320, 2043568, 2554460, 3423920, 3850640, 5108920, 10217840, 16220821, 32441642, 64883284, 81104105, 129766568, 162208210, 259533136, 324416420, 648832840, 1297665680]

約数ペア:

[(1, 1297665680), (2, 648832840), (4, 324416420), (5, 259533136), (8, 162208210), (10, 129766568), (16, 81104105), (20, 64883284), (40, 32441642), (80, 16220821), (127, 10217840), (254, 5108920), (337, 3850640), (379, 3423920), (508, 2554460), (635, 2043568), (674, 1925320), (758, 1711960), (1016, 1277230), (1270, 1021784), (1348, 962660), (1516, 855980), (1685, 770128), (1895, 684784), (2032, 638615), (2540, 510892), (2696, 481330), (3032, 427990), (3370, 385064), (3790, 342392), (5080, 255446), (5392, 240665), (6064, 213995), (6740, 192532), (7580, 171196), (10160, 127723), (13480, 96266), (15160, 85598), (26960, 48133), (30320, 42799)]