31283560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1451}}^1$

素因数の和:1487

約数の個数: 96

約数和(自身を含む): 89385120

約数和(自身を除く): 58101560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1451, 1540, 1960, 2156, 2695, 2902, 3080, 4312, 5390, 5804, 7255, 10157, 10780, 11608, 14510, 15961, 20314, 21560, 29020, 31922, 40628, 50785, 58040, 63844, 71099, 79805, 81256, 101570, 111727, 127688, 142198, 159610, 203140, 223454, 284396, 319220, 355495, 406280, 446908, 558635, 568792, 638440, 710990, 782089, 893816, 1117270, 1421980, 1564178, 2234540, 2843960, 3128356, 3910445, 4469080, 6256712, 7820890, 15641780, 31283560]

約数ペア:

[(1, 31283560), (2, 15641780), (4, 7820890), (5, 6256712), (7, 4469080), (8, 3910445), (10, 3128356), (11, 2843960), (14, 2234540), (20, 1564178), (22, 1421980), (28, 1117270), (35, 893816), (40, 782089), (44, 710990), (49, 638440), (55, 568792), (56, 558635), (70, 446908), (77, 406280), (88, 355495), (98, 319220), (110, 284396), (140, 223454), (154, 203140), (196, 159610), (220, 142198), (245, 127688), (280, 111727), (308, 101570), (385, 81256), (392, 79805), (440, 71099), (490, 63844), (539, 58040), (616, 50785), (770, 40628), (980, 31922), (1078, 29020), (1451, 21560), (1540, 20314), (1960, 15961), (2156, 14510), (2695, 11608), (2902, 10780), (3080, 10157), (4312, 7255), (5390, 5804)]