740702960

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 1751539680

約数和(自身を除く): 1010836720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 173, 218, 346, 436, 491, 545, 692, 865, 872, 982, 1090, 1384, 1730, 1744, 1964, 2180, 2455, 2768, 3460, 3928, 4360, 4910, 6920, 7856, 8720, 9820, 13840, 18857, 19640, 37714, 39280, 53519, 75428, 84943, 94285, 107038, 150856, 169886, 188570, 214076, 267595, 301712, 339772, 377140, 424715, 428152, 535190, 679544, 754280, 849430, 856304, 1070380, 1359088, 1508560, 1698860, 2140760, 3397720, 4281520, 6795440, 9258787, 18517574, 37035148, 46293935, 74070296, 92587870, 148140592, 185175740, 370351480, 740702960]

約数ペア:

[(1, 740702960), (2, 370351480), (4, 185175740), (5, 148140592), (8, 92587870), (10, 74070296), (16, 46293935), (20, 37035148), (40, 18517574), (80, 9258787), (109, 6795440), (173, 4281520), (218, 3397720), (346, 2140760), (436, 1698860), (491, 1508560), (545, 1359088), (692, 1070380), (865, 856304), (872, 849430), (982, 754280), (1090, 679544), (1384, 535190), (1730, 428152), (1744, 424715), (1964, 377140), (2180, 339772), (2455, 301712), (2768, 267595), (3460, 214076), (3928, 188570), (4360, 169886), (4910, 150856), (6920, 107038), (7856, 94285), (8720, 84943), (9820, 75428), (13840, 53519), (18857, 39280), (19640, 37714)]