157974560

素因数分解:

$2^5\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2797}}^1$

素因数の和:3165

約数の個数: 48

約数和(自身を含む): 374405976

約数和(自身を除く): 216431416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 353, 706, 1412, 1765, 2797, 2824, 3530, 5594, 5648, 7060, 11188, 11296, 13985, 14120, 22376, 27970, 28240, 44752, 55940, 56480, 89504, 111880, 223760, 447520, 987341, 1974682, 3949364, 4936705, 7898728, 9873410, 15797456, 19746820, 31594912, 39493640, 78987280, 157974560]

約数ペア:

[(1, 157974560), (2, 78987280), (4, 39493640), (5, 31594912), (8, 19746820), (10, 15797456), (16, 9873410), (20, 7898728), (32, 4936705), (40, 3949364), (80, 1974682), (160, 987341), (353, 447520), (706, 223760), (1412, 111880), (1765, 89504), (2797, 56480), (2824, 55940), (3530, 44752), (5594, 28240), (5648, 27970), (7060, 22376), (11188, 14120), (11296, 13985)]