215257840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20231}}^1$

素因数の和:20270

約数の個数: 80

約数和(自身を含む): 602104320

約数和(自身を除く): 386846480

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, 5320, 10640, 20231, 40462, 80924, 101155, 141617, 161848, 202310, 283234, 323696, 384389, 404620, 566468, 708085, 768778, 809240, 1132936, 1416170, 1537556, 1618480, 1921945, 2265872, 2690723, 2832340, 3075112, 3843890, 5381446, 5664680, 6150224, 7687780, 10762892, 11329360, 13453615, 15375560, 21525784, 26907230, 30751120, 43051568, 53814460, 107628920, 215257840]

約数ペア:

[(1, 215257840), (2, 107628920), (4, 53814460), (5, 43051568), (7, 30751120), (8, 26907230), (10, 21525784), (14, 15375560), (16, 13453615), (19, 11329360), (20, 10762892), (28, 7687780), (35, 6150224), (38, 5664680), (40, 5381446), (56, 3843890), (70, 3075112), (76, 2832340), (80, 2690723), (95, 2265872), (112, 1921945), (133, 1618480), (140, 1537556), (152, 1416170), (190, 1132936), (266, 809240), (280, 768778), (304, 708085), (380, 566468), (532, 404620), (560, 384389), (665, 323696), (760, 283234), (1064, 202310), (1330, 161848), (1520, 141617), (2128, 101155), (2660, 80924), (5320, 40462), (10640, 20231)]