149515120

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 357968160

約数和(自身を除く): 208453040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 179, 197, 212, 265, 358, 394, 424, 530, 716, 788, 848, 895, 985, 1060, 1432, 1576, 1790, 1970, 2120, 2864, 3152, 3580, 3940, 4240, 7160, 7880, 9487, 10441, 14320, 15760, 18974, 20882, 35263, 37948, 41764, 47435, 52205, 70526, 75896, 83528, 94870, 104410, 141052, 151792, 167056, 176315, 189740, 208820, 282104, 352630, 379480, 417640, 564208, 705260, 758960, 835280, 1410520, 1868939, 2821040, 3737878, 7475756, 9344695, 14951512, 18689390, 29903024, 37378780, 74757560, 149515120]

約数ペア:

[(1, 149515120), (2, 74757560), (4, 37378780), (5, 29903024), (8, 18689390), (10, 14951512), (16, 9344695), (20, 7475756), (40, 3737878), (53, 2821040), (80, 1868939), (106, 1410520), (179, 835280), (197, 758960), (212, 705260), (265, 564208), (358, 417640), (394, 379480), (424, 352630), (530, 282104), (716, 208820), (788, 189740), (848, 176315), (895, 167056), (985, 151792), (1060, 141052), (1432, 104410), (1576, 94870), (1790, 83528), (1970, 75896), (2120, 70526), (2864, 52205), (3152, 47435), (3580, 41764), (3940, 37948), (4240, 35263), (7160, 20882), (7880, 18974), (9487, 15760), (10441, 14320)]