71505280

素因数分解:

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

素因数の和:1488

約数の個数: 128

約数和(自身を含む): 213269760

約数和(自身を除く): 141764480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1451, 1540, 1760, 2240, 2464, 2902, 3080, 3520, 4480, 4928, 5804, 6160, 7040, 7255, 9856, 10157, 11608, 12320, 14510, 15961, 20314, 23216, 24640, 29020, 31922, 40628, 46432, 49280, 50785, 58040, 63844, 79805, 81256, 92864, 101570, 111727, 116080, 127688, 159610, 162512, 185728, 203140, 223454, 232160, 255376, 319220, 325024, 406280, 446908, 464320, 510752, 558635, 638440, 650048, 812560, 893816, 928640, 1021504, 1117270, 1276880, 1300096, 1625120, 1787632, 2043008, 2234540, 2553760, 3250240, 3575264, 4469080, 5107520, 6500480, 7150528, 8938160, 10215040, 14301056, 17876320, 35752640, 71505280]

約数ペア:

[(1, 71505280), (2, 35752640), (4, 17876320), (5, 14301056), (7, 10215040), (8, 8938160), (10, 7150528), (11, 6500480), (14, 5107520), (16, 4469080), (20, 3575264), (22, 3250240), (28, 2553760), (32, 2234540), (35, 2043008), (40, 1787632), (44, 1625120), (55, 1300096), (56, 1276880), (64, 1117270), (70, 1021504), (77, 928640), (80, 893816), (88, 812560), (110, 650048), (112, 638440), (128, 558635), (140, 510752), (154, 464320), (160, 446908), (176, 406280), (220, 325024), (224, 319220), (280, 255376), (308, 232160), (320, 223454), (352, 203140), (385, 185728), (440, 162512), (448, 159610), (560, 127688), (616, 116080), (640, 111727), (704, 101570), (770, 92864), (880, 81256), (896, 79805), (1120, 63844), (1232, 58040), (1408, 50785), (1451, 49280), (1540, 46432), (1760, 40628), (2240, 31922), (2464, 29020), (2902, 24640), (3080, 23216), (3520, 20314), (4480, 15961), (4928, 14510), (5804, 12320), (6160, 11608), (7040, 10157), (7255, 9856)]