30751120

素因数分解:

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

素因数の和:20263

約数の個数: 40

約数和(自身を含む): 75263040

約数和(自身を除く): 44511920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 20231, 40462, 80924, 101155, 161848, 202310, 323696, 384389, 404620, 768778, 809240, 1537556, 1618480, 1921945, 3075112, 3843890, 6150224, 7687780, 15375560, 30751120]

約数ペア:

[(1, 30751120), (2, 15375560), (4, 7687780), (5, 6150224), (8, 3843890), (10, 3075112), (16, 1921945), (19, 1618480), (20, 1537556), (38, 809240), (40, 768778), (76, 404620), (80, 384389), (95, 323696), (152, 202310), (190, 161848), (304, 101155), (380, 80924), (760, 40462), (1520, 20231)]