31270960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2939}}^1$

素因数の和:2978

約数の個数: 80

約数和(自身を含む): 87494400

約数和(自身を除く): 56223440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 2939, 5320, 5878, 10640, 11756, 14695, 20573, 23512, 29390, 41146, 47024, 55841, 58780, 82292, 102865, 111682, 117560, 164584, 205730, 223364, 235120, 279205, 329168, 390887, 411460, 446728, 558410, 781774, 822920, 893456, 1116820, 1563548, 1645840, 1954435, 2233640, 3127096, 3908870, 4467280, 6254192, 7817740, 15635480, 31270960]

約数ペア:

[(1, 31270960), (2, 15635480), (4, 7817740), (5, 6254192), (7, 4467280), (8, 3908870), (10, 3127096), (14, 2233640), (16, 1954435), (19, 1645840), (20, 1563548), (28, 1116820), (35, 893456), (38, 822920), (40, 781774), (56, 558410), (70, 446728), (76, 411460), (80, 390887), (95, 329168), (112, 279205), (133, 235120), (140, 223364), (152, 205730), (190, 164584), (266, 117560), (280, 111682), (304, 102865), (380, 82292), (532, 58780), (560, 55841), (665, 47024), (760, 41146), (1064, 29390), (1330, 23512), (1520, 20573), (2128, 14695), (2660, 11756), (2939, 10640), (5320, 5878)]