157280480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 144

約数和(自身を含む): 449336160

約数和(自身を除く): 292055680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 361, 380, 389, 532, 560, 608, 665, 722, 760, 778, 1064, 1120, 1330, 1444, 1520, 1556, 1805, 1945, 2128, 2527, 2660, 2723, 2888, 3040, 3112, 3610, 3890, 4256, 5054, 5320, 5446, 5776, 6224, 7220, 7391, 7780, 10108, 10640, 10892, 11552, 12448, 12635, 13615, 14440, 14782, 15560, 20216, 21280, 21784, 25270, 27230, 28880, 29564, 31120, 36955, 40432, 43568, 50540, 51737, 54460, 57760, 59128, 62240, 73910, 80864, 87136, 101080, 103474, 108920, 118256, 140429, 147820, 202160, 206948, 217840, 236512, 258685, 280858, 295640, 404320, 413896, 435680, 517370, 561716, 591280, 702145, 827792, 983003, 1034740, 1123432, 1182560, 1404290, 1655584, 1966006, 2069480, 2246864, 2808580, 3932012, 4138960, 4493728, 4915015, 5617160, 7864024, 8277920, 9830030, 11234320, 15728048, 19660060, 22468640, 31456096, 39320120, 78640240, 157280480]

約数ペア:

[(1, 157280480), (2, 78640240), (4, 39320120), (5, 31456096), (7, 22468640), (8, 19660060), (10, 15728048), (14, 11234320), (16, 9830030), (19, 8277920), (20, 7864024), (28, 5617160), (32, 4915015), (35, 4493728), (38, 4138960), (40, 3932012), (56, 2808580), (70, 2246864), (76, 2069480), (80, 1966006), (95, 1655584), (112, 1404290), (133, 1182560), (140, 1123432), (152, 1034740), (160, 983003), (190, 827792), (224, 702145), (266, 591280), (280, 561716), (304, 517370), (361, 435680), (380, 413896), (389, 404320), (532, 295640), (560, 280858), (608, 258685), (665, 236512), (722, 217840), (760, 206948), (778, 202160), (1064, 147820), (1120, 140429), (1330, 118256), (1444, 108920), (1520, 103474), (1556, 101080), (1805, 87136), (1945, 80864), (2128, 73910), (2527, 62240), (2660, 59128), (2723, 57760), (2888, 54460), (3040, 51737), (3112, 50540), (3610, 43568), (3890, 40432), (4256, 36955), (5054, 31120), (5320, 29564), (5446, 28880), (5776, 27230), (6224, 25270), (7220, 21784), (7391, 21280), (7780, 20216), (10108, 15560), (10640, 14782), (10892, 14440), (11552, 13615), (12448, 12635)]