1517778820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1\times {\mathrm{2687}}^1$

素因数の和:3220

約数の個数: 48

約数和(自身を含む): 3247792128

約数和(自身を除く): 1730013308

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 463, 610, 926, 1220, 1852, 2315, 2687, 4630, 5374, 9260, 10748, 13435, 26870, 28243, 53740, 56486, 112972, 141215, 163907, 282430, 327814, 564860, 655628, 819535, 1244081, 1639070, 2488162, 3278140, 4976324, 6220405, 12440810, 24881620, 75888941, 151777882, 303555764, 379444705, 758889410, 1517778820]

約数ペア:

[(1, 1517778820), (2, 758889410), (4, 379444705), (5, 303555764), (10, 151777882), (20, 75888941), (61, 24881620), (122, 12440810), (244, 6220405), (305, 4976324), (463, 3278140), (610, 2488162), (926, 1639070), (1220, 1244081), (1852, 819535), (2315, 655628), (2687, 564860), (4630, 327814), (5374, 282430), (9260, 163907), (10748, 141215), (13435, 112972), (26870, 56486), (28243, 53740)]