154760680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{911}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 362465280

約数和(自身を除く): 207704600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 137, 155, 248, 274, 310, 548, 620, 685, 911, 1096, 1240, 1370, 1822, 2740, 3644, 4247, 4555, 5480, 7288, 8494, 9110, 16988, 18220, 21235, 28241, 33976, 36440, 42470, 56482, 84940, 112964, 124807, 141205, 169880, 225928, 249614, 282410, 499228, 564820, 624035, 998456, 1129640, 1248070, 2496140, 3869017, 4992280, 7738034, 15476068, 19345085, 30952136, 38690170, 77380340, 154760680]

約数ペア:

[(1, 154760680), (2, 77380340), (4, 38690170), (5, 30952136), (8, 19345085), (10, 15476068), (20, 7738034), (31, 4992280), (40, 3869017), (62, 2496140), (124, 1248070), (137, 1129640), (155, 998456), (248, 624035), (274, 564820), (310, 499228), (548, 282410), (620, 249614), (685, 225928), (911, 169880), (1096, 141205), (1240, 124807), (1370, 112964), (1822, 84940), (2740, 56482), (3644, 42470), (4247, 36440), (4555, 33976), (5480, 28241), (7288, 21235), (8494, 18220), (9110, 16988)]