16187940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:801

約数の個数: 72

約数和(自身を含む): 49533120

約数和(自身を除く): 33345180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 647, 695, 834, 1251, 1294, 1390, 1668, 1941, 2085, 2502, 2588, 2780, 3235, 3882, 4170, 5004, 5823, 6255, 6470, 7764, 8340, 9705, 11646, 12510, 12940, 19410, 23292, 25020, 29115, 38820, 58230, 89933, 116460, 179866, 269799, 359732, 449665, 539598, 809397, 899330, 1079196, 1348995, 1618794, 1798660, 2697990, 3237588, 4046985, 5395980, 8093970, 16187940]

約数ペア:

[(1, 16187940), (2, 8093970), (3, 5395980), (4, 4046985), (5, 3237588), (6, 2697990), (9, 1798660), (10, 1618794), (12, 1348995), (15, 1079196), (18, 899330), (20, 809397), (30, 539598), (36, 449665), (45, 359732), (60, 269799), (90, 179866), (139, 116460), (180, 89933), (278, 58230), (417, 38820), (556, 29115), (647, 25020), (695, 23292), (834, 19410), (1251, 12940), (1294, 12510), (1390, 11646), (1668, 9705), (1941, 8340), (2085, 7764), (2502, 6470), (2588, 6255), (2780, 5823), (3235, 5004), (3882, 4170)]