120747440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3191}}^1$

素因数の和:3258

約数の個数: 80

約数和(自身を含む): 313479936

約数和(自身を除く): 192732496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3191, 3440, 3784, 4730, 6382, 7568, 9460, 12764, 15955, 18920, 25528, 31910, 35101, 37840, 51056, 63820, 70202, 127640, 137213, 140404, 175505, 255280, 274426, 280808, 351010, 548852, 561616, 686065, 702020, 1097704, 1372130, 1404040, 1509343, 2195408, 2744260, 2808080, 3018686, 5488520, 6037372, 7546715, 10977040, 12074744, 15093430, 24149488, 30186860, 60373720, 120747440]

約数ペア:

[(1, 120747440), (2, 60373720), (4, 30186860), (5, 24149488), (8, 15093430), (10, 12074744), (11, 10977040), (16, 7546715), (20, 6037372), (22, 5488520), (40, 3018686), (43, 2808080), (44, 2744260), (55, 2195408), (80, 1509343), (86, 1404040), (88, 1372130), (110, 1097704), (172, 702020), (176, 686065), (215, 561616), (220, 548852), (344, 351010), (430, 280808), (440, 274426), (473, 255280), (688, 175505), (860, 140404), (880, 137213), (946, 127640), (1720, 70202), (1892, 63820), (2365, 51056), (3191, 37840), (3440, 35101), (3784, 31910), (4730, 25528), (6382, 18920), (7568, 15955), (9460, 12764)]